You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I want to book a flight ticket from ATL to DFW. Could you help me in booking?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My travelling dates are from Sep 10 - 12.

ASSISTANT: May I know your connection limit?

USER: I prefer for connecting flight.

ASSISTANT: Which class do you prefer?

USER: I prefer for economy class.

ASSISTANT: May I know your name?

USER: Ryan Davis here.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: UA airlines with flight 1028 is providing a connecting flight and ticket costs you 100 in economy class.

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked Ryan Davis. Flight departs at 17:00 hours and arrives at 20:00 hours.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.