You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you?

USER: I am planning to travel form CLT to DFW, help me in booking a flight?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My travelling dates are Jan 23 to 25.

ASSISTANT: May I know your connection limit?

USER: I am comfortable in any connection flight.

ASSISTANT: Which class do you prefer?

USER: I am ok in any class.

ASSISTANT: May I know your name?

USER: I am Helen Nelson.

ASSISTANT: Please wait for a while.

USER: Ok, but I want to return back in afternoon flight.

ASSISTANT: Connecting flight is provided by Frontier airlines with flight number 1023 and ticket costs you 200 in economy class.

USER: Proceed for booking.

ASSISTANT: Your ticket is booked Helen Nelson. Flight departs at 8:00 hours and arrives at 17:00 hours.

USER: Thank you.