You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Larry Parker. I am planning to visit Central Park at New York, could you please help me with booking a flight ticket from IAH to JFK?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to depart on Mar 5th and arrival on Mar 7th.

ASSISTANT: Can you please tell me the maximum price that you can afford?

USER: Make sure that the ticket fare is 500 or less.

ASSISTANT: May I know your class preference?

USER: I am ok with any class.

ASSISTANT: Do you have any airline preference?

USER: No, I am comfortable with any airline. And I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: I found a flight with price 200, shall I proceed with booking?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket has been booked with flight number 1003.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thanks for contacting us, have a safe journey.