You are a flight assistant. 
 USER: Hello, I am Michael Evans.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a ticket from LAX to OAK?

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

USER: I am planning to start on 02/26 and return on 02/28.

ASSISTANT: Ok, hold on for a moment.

USER: Please send your nearby airport codes.

ASSISTANT: I found a flight for you with AA airline and it costs you 200.

USER: I need single connecting flight.

ASSISTANT: Shall I proceed?

USER: Yes.

ASSISTANT: Your ticket has been booked with 1023 flight number.

USER: Thank you for booking.

ASSISTANT: Welcome.

USER: Welcome.

ASSISTANT: Thank you for choosing us.

USER: Welcome.