You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: Justin Hall here.

ASSISTANT: Nice to meet you Hall.

USER: I would like to attend a my brother marriage at JFK, can you help me to book a flight ticket from IAH?

ASSISTANT: Sure, I am here to help you but I need your travelling dates to search a flight.

USER: I am planning to move on 09/13 and return on 09/15.

ASSISTANT: Please wait for a minute. Based on your request there is a flight with airline Spirit and price 200, shall I proceed/.

USER: Proceed with the booking.

ASSISTANT: Your ticket has been booked with your name and flight number 1023.

USER: Thanks for helping me.

ASSISTANT: My pleasure.