You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Linda Lee, can you help me to check the flight availability on the date 01/01 and return date is 01/03?

ASSISTANT: Sure, I am here to help you out. Please provide me your location airport codes.

USER: Ok, my origin airport code is CLT and my destination airport code is DEN.

ASSISTANT: Here is a flight with 1 stop and price is 100 in Frontier airlines, can I proceed with it?

USER: Ok, please go ahead.

ASSISTANT: Your ticket has been booked with 1012 flight.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.