To select your seat on Copa Airlines, you can follow these steps:

1. **Visit the Copa Airlines Website**: Go to the official website of Copa Airlines.

2. **Log In**: If you have an existing account, log in using your credentials. If you don't have an account, you may need to create one.

3. **Enter Your Booking Details**: Enter your booking reference number (PNR) and last name or any other required information to access your booking.

4. **Select Manage Booking or My Trips**: Once you've logged in and accessed your booking, look for an option such as "Manage Booking" or "My Trips". Click on it to proceed.

5. **Select Your Seat**: Within the manage booking section, you should find an option to select your seat. This may be labeled as "Select Seat" or something similar. Click on it.

6. **Choose Your Preferred Seat**: You'll typically see a seating map displaying available seats. Select the seat you prefer by clicking on it. Some seats may be available for free while others may require payment, depending on the airline's policies and your fare type.

7. **Confirm Your Selection**: After selecting your seat, review your choice and confirm your selection.

8. **Payment (If Applicable)**: If there's a fee associated with selecting your preferred seat, you'll be prompted to make the payment using a valid payment method.

9. **Receive Confirmation**: Once you've completed the seat selection process, you should receive confirmation of your seat assignment either via email or within your booking details on the website.

If you encounter any difficulties or if the process differs slightly due to updates in Copa Airlines' procedures, you can also contact their customer service for assistance.

To select your seat on Copa Airlines, you can follow these steps:

1. **Visit the Copa Airlines Website**: Go to the official website of Copa Airlines.

2. **Log In**: If you have an existing account, log in using your credentials. If you don't have an account, you may need to create one.

3. **Enter Your Booking Details**: Enter your booking reference number (PNR) and last name or any other required information to access your booking.

4. **Select Manage Booking or My Trips**: Once you've logged in and accessed your booking, look for an option such as "Manage Booking" or "My Trips". Click on it to proceed.

5. **Select Your Seat**: Within the manage booking section, you should find an option to select your seat. This may be labeled as "Select Seat" or something similar. Click on it.

6. **Choose Your Preferred Seat**: You'll typically see a seating map displaying available seats. Select the seat you prefer by clicking on it. Some seats may be available for free while others may require payment, depending on the airline's policies and your fare type.

7. **Confirm Your Selection**: After selecting your seat, review your choice and confirm your selection.

8. **Payment (If Applicable)**: If there's a fee associated with selecting your preferred seat, you'll be prompted to make the payment using a valid payment method.

9. **Receive Confirmation**: Once you've completed the seat selection process, you should receive confirmation of your seat assignment either via email or within your booking details on the website.

If you encounter any difficulties or if the process differs slightly due to updates in Copa Airlines' procedures, you can also contact their customer service for assistance.