You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am James Young. Can you please book a flight ticket for a round trip, as we planned to visit my grand parents house.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your desired travel dates please?

USER: I will start on July, 18 and return on July, 20.

ASSISTANT: Please share your preferred airport codes.

USER: My preferred airport code is DFW.

ASSISTANT: Flight number 1010 with connection limit 1 and fare 100, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked, flight number 1010.

USER: Thank you for the service.

ASSISTANT: Thank you for contacting us.