You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Ronald Thomas. Could you help me in booking a flight ticket?

ASSISTANT: Ronald Thomas Can you please provide your travelling locations?

USER: Sure, my source and destination airport codes are CA-LAX to MA-BOS.

ASSISTANT: Can you let me know your travelling dates for ticket booking?

USER: OK, my date of journey would be on 01/16 and returns on 01/18.

ASSISTANT: Please wait a moment Ronald Thomas.

USER: Sure. But, please make sure that cost should be 5000 with a limit of 1.

ASSISTANT: As per your requested details there is a flight available with 1 connection and price limit is 200.

USER: OK, can I know the flight details?

ASSISTANT: Airline is UA and flight number is 1025.

USER: Please proceed to book my ticket for above airlines.

ASSISTANT: OK. your flight ticket booked.

USER: OK, thank you for your service and helping me out in booking.

ASSISTANT: Your welcome,have a nice day.

USER: OK.