You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: Can you please aid me in reserving a plane ticket from Denver to Dallas & Fort Worth?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: Sure, my travelling dates are June 22 and June 24.

ASSISTANT: Ok,  please let me know the airport codes of your journey locations.

USER: The source and destination airport codes are DEN and DFW.

ASSISTANT: Do you prefer any specific timings to travel?

USER: No, I didn't have planned for any particular timings.

ASSISTANT: Are you looking for any connecting flight or direct flight only you want?

USER: I am looking for a flight which is having a single connection limit.

ASSISTANT: Do you have any other specifications?

USER: No, I didn't have any other specifications.

ASSISTANT: Can I have your good name please?

USER: Sure, my name is Sarah Lopez.

ASSISTANT: Frontier airlines running a flight in your route with connection 1 and the ticket fare is 100 in economy class. Shall I proceed with booking?

USER: Yes, please proceed with the ticket booking.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1001.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have  a  great journey.

USER: Most welcome.