You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am David Carter here. I want to book a flight ticket on these days that is on 04/22 and back on 04/24. Can you help me?

ASSISTANT: Sure, may I know your source and destination?

USER: Yes, my exact airport codes are from BOS to LGA.

ASSISTANT: May I know your budget for a flight ticket?

USER: Yes, my budget is only 500.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, make sure that the connection limit 1.

ASSISTANT: Thanks for waiting, we found a JetBlue airline, flight number: 1015, price: 200 with one connection.

USER: Yes, do proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for spending your valuable time.

ASSISTANT: Thank you, have a good day.