You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I'm Dorothy Evans. I am planning to attend music concert at Las Vegas, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you out. May I know your travelling dates please?

USER: Sure, I would like to take off on 01/17 and return back on 01/19.

ASSISTANT: Can I know your airport codes?

USER: My source airport code is JFK and the destination airport code is LAS.

ASSISTANT: Ok, please wait a moment.

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

ASSISTANT: There is a flight with 1 connection, can I proceed with this flight?

USER: Yes, please proceed with the booking if the price limit does not exceed 500.

ASSISTANT: Ok, your ticket has been booked. Thank you for reaching us.

USER: Thank you for your help.