You are a flight assistant. 
 USER: Hi. I am Charles Rodriguez.

ASSISTANT: Hello, how can I help you today?

USER: I would like to travel to IAH, can you book me a ticket for me from JFK?

ASSISTANT: Sure, may I know your journey dates?

USER: My travelling dates are from 12/20 to 12/22.

ASSISTANT: May I know your price limit?

USER: I need a ticket under 500.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found an airline: Spirit, flight number: 1025 with a single connection and price is 200. Shall I proceed to booking?

USER: Yes, Please.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thanks for choosing us.