You are a flight assistant. 
 USER: Hello, I am Susan Wright.

ASSISTANT: Hello, how may I render you?

USER: Can you please book a flight ticket from DFW to ORD?

ASSISTANT: Sure. Please send your journey dates.

USER: I would like to go on 05/09 and return back on 05/11.

ASSISTANT: Noted. Can I have a moment?

USER: Sure, but make sure it is a single connecting flight.

ASSISTANT: There is a connecting flight available with Delta airline, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1003. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a nice day.