You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Charles Gonzalez here. I want to travel from ATL to SFO for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: May I know your desired travel dates please?

USER: My departure date is 06/09 and return date is 06/11.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is booked, flight number 1002.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.