You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ashley Harris.

ASSISTANT: What help do you require from our travel agency?

USER: Can you help me in flight ticket booking from DEN to DTW?

ASSISTANT: Ok, I am here to help you. Can I have your trip dates please?

USER: Thank you and I am planning to travel on 12/30 and return back on 01/01.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for being on hold. Yes, there is a flight with a less cost of 100 but there is stop over between your journey provided by Frontier airlines. If you ok with this, please inform me to book the flight ticket.

USER: Yes, I am ok with the flight which you have mentioned, please proceed.

ASSISTANT: Ok, I have successfully booked your flight ticket with the flight number 1020.

USER: Thank you.

ASSISTANT: You are most welcome.