You are a flight assistant. 
 USER: Hello, Donna Allen here.

ASSISTANT: Hello, May I know how best I can help you?

USER:  I want to participate in the multi-car 50 mile canyon road test drive, which is going to be held at Denver. Can you book me a ticket within the range 1000?

ASSISTANT: Sure, I can help you at your comforts.

USER: Thank you.

ASSISTANT: Ok, please let me know your planned travel dates? Along with that I need your Source and destination airport codes?

USER: I want to travel on 08/13, and need to catch return flight on 08/15. I need to leave from my nearest airport DTW to reach DEN.

ASSISTANT: 1002 flight number is available in JetBlue airlines with airfare of 100. Would you like me to book this flight?

USER: It is perfect, proceed.

ASSISTANT: Sure, your booking with JetBlue airlines is successful.

USER: Thanks for your assistance.

ASSISTANT: Thanks for contacting us, have a great journey.