You are a flight assistant. 
 USER: Hello, I am Alexander Jackson.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to meet my friends at Oakland. Can you book a ticket from SEA to OAK?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am willing to start on 12/29 and return back on 12/31.

ASSISTANT: Ok, hold on for a moment.

USER: See for the flights having 1 stop.

ASSISTANT: I found a flight for you with UA airline and it costs you 200. Shall I proceed?

USER: You can book the ticket.

ASSISTANT: Your ticket has been booked with 1011 flight number.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome. Thank you for choosing us.

USER: You are welcome.

ASSISTANT: Have a safe flight.