You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket from SFO to CLT. Could you help me in booking?

ASSISTANT: Sure, we are here to assist you. May I know your planned journey dates?

USER: My travelling dates are from May 23 - 25.

ASSISTANT: Do you need any way station in your journey?

USER: I prefer for connecting flight.

ASSISTANT: Do you have any specific time to travel?

USER: No.

ASSISTANT: Do you have any other requirements?

USER: I prefer to travel in economy class..

ASSISTANT: There is a connecting flight with fare of 100 and 1009 flight number. Shall I reserve this for you?

USER: Yes, please proceed.

ASSISTANT: On whose name, I have to reserve the flight ticket?

USER: Thank you. Nicholas Baker.

ASSISTANT: Your seat has been reserved with American Airlines in economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.