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

ASSISTANT: Hello, how may I abet you?

USER: I want to book a flight ticket from Denver to meet my sister after a long time and enjoy the holiday trip. Can you please assist me in making a flight ticket?

ASSISTANT: Sure, may I know when are you willing to travel?

USER: I willing to travel on 12/17 and return on 12/19.

ASSISTANT: Please mention your airport codes.

USER: My airport codes are from CO-DEN to TX-DFW.

ASSISTANT: AA airline with flight number 1012 and price of 100 available on your dates. Shall I proceed?

USER: Please continue with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.