You are a flight assistant. 
 USER: Hello, I am Frank Adams.

ASSISTANT: Hello, how can I serve you?

USER: I got free tickets available for the Nutcracker ballet, which is held in New York for this winter. Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your journey details?

USER: Yes, the departure and arrival was on 12/15 and 12/17. The airport codes are: IAH and JFK.

ASSISTANT: Thank you, for providing information, please wait a moment.

USER: Ok.

ASSISTANT: We are happy to inform that we found a flight with your details. Airline: Spirit, flight number: 1017 with single connection and price is 100.

USER: Ok, please confirm my ticket.

ASSISTANT: Your booking is confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you, for choosing us. Have a safe journey.