You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to travel from SEA to SFO for my office work, please book my flight ticket.

ASSISTANT: May I know your travel dates?

USER: Sure, I want to depart on Sept 2nd and I will return back in the morning on Sept 4th.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: Flight-1010 is available in Southwest airlines with direct flight and the flight fare is 200. Can I proceed?

USER: Yes, please book the ticket in the name of Matthew Lewis.

ASSISTANT: Your booking is confirmed.

USER: Thank you very much.

ASSISTANT: Thank you for reaching us.