You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me how can I assist you?

USER: I am planning to visit Phoenix, AZ-PHX with the fare of 500. Can you please help me for booking the flight ticket?

ASSISTANT: Ok, may I know your travel dates?

USER: The travel dates are 01/01 to 01/03.

ASSISTANT: Can you please provide me your source code?

USER: The source code is from NY-LGA.

ASSISTANT: May I know your name please?

USER: Sure, my name is William Evans.

ASSISTANT: I found a flight ticket with price 100 and connection limit is 1.

USER: Yes, proceed with my booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.