You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Sharon Thompson.

ASSISTANT: How can I assist you Sharon?

USER: I am planning to attend business meeting at San Francisco, can you please help me with booking a flight ticket?

ASSISTANT: Ok, may I know your travelling airport codes?

USER: My source airport code is CLT and the destination airport code is SFO.

ASSISTANT: What dates are you planning for this trip?

USER: Sure, I would like to take off on 09/22 and return back on 09/24.

ASSISTANT: Give me a moment.

USER: Ok, but please make sure that the price limit does not exceed 500.

ASSISTANT: A flight by Frontier airlines is available for you with 1 connection at the cost of 100. Shall I book it?

USER: Yes, please proceed with the booking.

ASSISTANT: Your booking is done, thank you for approaching us.

USER: I appreciate your help, thank you.

ASSISTANT: Have a safe flight.