You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be at your service today?

USER: Could you please book a flight ticket from DFW to JFK?

ASSISTANT: Sure, can you please forward your journey dates?

USER: My journey date are Feb 10 and Feb 12.

ASSISTANT: Do you have any restrictions connection limit?

USER: I need a single connecting flight.

ASSISTANT: In which class you wish to travel?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Before check with the airlines, may I know your name please?

USER: My name is Timothy Wilson.

ASSISTANT: We found a Delta airlines, flight number 1007, price is 100 in economy class.

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been reserved with connecting flight.

USER: Thank you.

ASSISTANT: Thank you for opting us.