You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you aid me in booking a flight ticket from DEN to DFW?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: Sure, I would like to go on Oct 11th and return back on Oct 13th.

ASSISTANT: Ok, can I have your good name please?

USER: Myself Jack Gonzalez.

ASSISTANT: May I know your class and airline preference please?

USER: Ensure it is in the economy class.

ASSISTANT: Ok, please let me know if you have any other specifications.

USER: Ok, ensure it is in a single connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Frontier airlines is providing a direct flight on that route with ticket fare of 200, it's departure time is 6 AM and return time is 11 AM. Shall I proceed for booking?

USER: Ok, please proceed for further.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1027, have a safe journey.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.