You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Karen Lewis and I want to book a ticket.

ASSISTANT: Can you please provide the departure and arrival dates?

USER: My departure date is 07/31 and return date is 08/02.

ASSISTANT: OK, may I know the origin and destination airport codes?

USER: My origin airport is Los Angeles, CA-LAX and destination airport is Boston, MA-BOS.

ASSISTANT: OK. Give me a minute so that I can check the details.

USER: OK.

ASSISTANT: Thank you for waiting. I found a flight with JetBlue airline. Shall I confirm your ticket?

USER: My price limit is 200 and connection limit is 1. Is there any flight available under my price?

ASSISTANT: Yes, the flight details matches with your requirements. The price is 200 with one connection.

USER: OK,please book the ticket.

ASSISTANT: OK. Your ticket has been booked. Your flight number is 1004.

USER: Thanks for your help.

ASSISTANT: Have a nice journey Mr.Karen Lewis.