You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Frank Hall. I am looking for a round trip flight from DEN, can you help me in booking the flight ticket?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: Sure, I will start my journey on 08/10 and recur will be on 08/12.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Ok, I will wait for your response.

ASSISTANT: Ok, there is a flight 1004 in Frontier airline matching your details with price 200. Shall I proceed?

USER: Please proceed in booking with that flight.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your excellent service.

ASSISTANT: You are welcome, have a safe journey.