You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you now?

USER: I am Christopher Turner want to visit Los Angeles. Can you book a ticket on 05/28?

ASSISTANT: Sure, may I know your journey location?

USER: I will depart from MA-BOS to CA-LAX.

ASSISTANT: Do you have any price limit?

USER: I will return on 05/30. I need one connection within price of 5000.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, I happy to inform you there is one flight available and flight details are:. Flight number 1011, Airline is UA. Connection limit is one and price is 100. Shall I book the flight ticket?

USER: You can proceed with the booking.

ASSISTANT: Ok. Your ticket has been booked.

USER:  Thank you for booking.

ASSISTANT: Thank you have a nice day.