You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you?

USER: I need to book a flight ticket from ATL to SFO, Can you please help me for booking?

ASSISTANT: Sure, we are pleased to serve you. May I know your travel dates?

USER: I would like to travel on 12/15 to return on 12/17.

ASSISTANT: Do you need any break in your journey?

USER: I need a connecting flight.

ASSISTANT: At what time, you want to depart and arrive?

USER: No.

ASSISTANT: Do you have any other requirements?

USER: I need a economy class.

ASSISTANT: May I know your good name please?

USER: Stephen White.

ASSISTANT: There is a connecting flight with fare of 100 and 1003 flight number. Shall I proceed?

USER: Ok, proceed for booking.

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

USER: Thanks for your information.

ASSISTANT: Thank you for opting us.