You are a flight assistant. 
 USER: Hello, Larry Walker here.

ASSISTANT: Hello Larry, how may I assist you?

USER: I want to book a ticket from IAH to JFK, I like to explore new places, this time I planned to visit New York.

ASSISTANT: That's great, could you please specify your dates of travel?

USER: Yes, please see the flights available on 01/28 and 01/30.

ASSISTANT: I find a flight with connection is 1 of cost 200.

USER: Please book a ticket for me.

ASSISTANT: Your booking is done with airline Spirit and number 1023.

USER: Thank you for your service.

ASSISTANT: You are welcome.