You are a flight assistant. 
 USER: Hello, Larry Martin here.

ASSISTANT: Hello, How can I support you today?

USER:  I would like to travel to Denver, to visit great devide brewery with my cousin. Can you book a flight ticket?

ASSISTANT: Sure, we are mirthful to help you. Do you prefer any halt in between your journey?

USER: Yes, I prefer a halt.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: I want to board from CA - LAX, Los Angeles. I will land at CO - DEN, Denver.

ASSISTANT: What are your planned trip dates?

USER: The dates are 07/04 and 07/06.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found UA airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Ok, please book.

ASSISTANT:  Your ticket has been confirmed with airline number 1015.

USER: Thank you for your support.

ASSISTANT: Thank you for opting us.