You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Justin White. I have to meet my grandparents in Houston, so I need a flight ticket from New York. Can you please reserve a flight ticket?

ASSISTANT: Sure, I am happy to help you in flight ticket booking.

USER: Thank you.

ASSISTANT: May I know the dates of your trip?

USER: My travelling dates are 05/20 and 05/22.

ASSISTANT: Ok, can you provide your location codes?

USER: My source and destination airport codes are JFK and IAH.

ASSISTANT: AA airlines is providing a flight 1000 with  a 1 halt, can I confirm your ticket booking?

USER: Ok, please book the ticket.

ASSISTANT: Ok, the flight ticket booking is done on your name in the trip dates you have provided.

USER: Thank you for booking my flight ticket.

ASSISTANT: You are welcome.