You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: Carol Harris here. I want to attend a Marriage in San Francisco. Can you please help me for booking the flight ticket?

ASSISTANT: Your airport codes please?

USER: My airport codes are LAS and SFO.

ASSISTANT: Your travelling dates please?

USER: My travelling dates are 11/04 and 11/06.

ASSISTANT: Here is a connecting flight with flight number 1007 and fare is 200, providing ticket in economy class. Shall I proceed with booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your booking is done in Spirit airlines.

USER: Thanks for helping me.