You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Could you book my ticket from OAK to SFO?

ASSISTANT: Sure, can I know your travelling dates?

USER: My trip dates are Apr 23 and Apr 25.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Larry Adams here.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found Southwest airline with price 200 and economy class and airline number is 1015 with arrival time is 9:00 hours and departure time is 7:00 hours, Shall I proceed for booking?

USER: Book my ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.