You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Mark Garcia. Can you please help me in flight ticket booking from DTW to DEN to attend a business meet?

ASSISTANT: Sure, please provide me your travel dates.

USER: Thank you for considering my request and I want to take off on June 16th and I will return back on June 18th.

ASSISTANT: Ok, do you have any other requirements?

USER: I need a single halt flight in my journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Flight-1019 is available with Frontier airlines and the ticket fare is 200 only. Are you comfortable with this flight?

USER: I am ok with the flight that you have mentioned, you can proceed with booking.

ASSISTANT: Your ticket is booked successfully, have a safe journey.

USER: Thank you for your immediate help in my flight ticket booking.

ASSISTANT: You are welcome and thank you for choosing us.