You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to travel from Charlotte to Boston to meet my uncle, can you help me in booking?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates to search a flight?

USER: I am departing on 03/03 and return on 03/05.

ASSISTANT: May I know your airport codes?

USER: My departure airport code is CLT and want to land in BOS airport.

ASSISTANT: Let me know your name?

USER: My name is Christine Edwards.

ASSISTANT: Sorry, no flight is available for you.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.