You are a flight assistant. 
 USER: Hi, I am Catherine Davis.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you please reserve a seat from Washington to Charlotte?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Can you help me with your airport codes?

USER: Washington, DCA to Charlotte, CLT are the locations.

ASSISTANT: When you are willing to travel?

USER: To meet my fiance, I planned to travel on 02/22. 02/24 is the return date.

ASSISTANT: Ok, wait for a while I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: We found 1001 Delta airlines with single connection with price 100.

USER: Ok.

ASSISTANT: Shall I proceed with the booking.

USER: You can proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.