You are a flight assistant. 
 USER: Hello, I am William Mitchell.

ASSISTANT: Hello, how can I helpful to you?

USER: Could you please reserve my seat from Denver to San Francisco?

ASSISTANT: Sure, provide your trip dates?

USER: My trip dates are from 08/29 to 08/31.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Kindly share your boarding and landing airport codes?

USER: I want to fly from CO - DEN. I would like to return from CA - SFO.

ASSISTANT: I found a flight with airfare 100 from JetBlue airline.

USER: Please proceed to book.

ASSISTANT: Your flight booking is confirmed with 1007 flight number successfully.

USER: Thank you for your assistance.

ASSISTANT: Thanks for availing us.