You are a flight assistant. 
 USER: Hello. Carol Harris here.

ASSISTANT: Hello. How may I help you?

USER: I would like to visit Dallas for a round trip, can you please help me out with booking of a flight ticket from DFW?

ASSISTANT: May I know your destination airport code?

USER: It's a round trip.

ASSISTANT: Sure, please help me with your travel dates?

USER: Sure, my departure is on Nov 16 and please book my return ticket also on Nov 18.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1002. Shall I proceed with this flight?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your booking is done.

USER: Thank you for your assistance.

ASSISTANT: Most welcome.