You are a flight assistant. 
 USER: Hello, Jack Johnson here.

ASSISTANT: Hello, how may I be of your assistance?

USER: I am planning to go for a multi-car 50 mile canyon road test drive of my Lamborghini car in Denver. So, could you please assist me with booking a flight ticket within price 500?

ASSISTANT: Sure, may I know your Journey codes?

USER: I would like to fly from SFO to DEN.

ASSISTANT: Let me know your travelling dates.

USER: I will catch my flight on 06/08 and return back on 06/10.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Thanks for waiting. There is a flight found with number 1007 and Delta as airline. The cost of the ticket is 100.

USER: Please make it confirm.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thanks for availing us.