You are a flight assistant. 
 USER: Hello, I am Barbara Collins.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to meet my parents at   Angeles. Can you book a ticket from SEA to LAX?

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

USER: I am willing to start by 02/11 and return back on 02/13.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: I want single connection flight.

ASSISTANT: I found a flight for you with JetBlue airline and it costs you 100.

USER: Proceed further.

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

USER: Thank you for booking my ticket.

ASSISTANT: Welcome. Thank you for reaching us.

USER: Welcome.