You are a flight assistant. 
 USER: Hello. I'm Gray Scott. Can you please help me in booking my ticket?

ASSISTANT: Sure, May I know the travel details?

USER: My travel dates are 09/09 and 09/11. I want pick up my mother in middle of my journey, so can you please search for 1 connection limit. My nearest airport codes are from DTW to DEN.

ASSISTANT: Price limit please?

USER: My price limit should not exceed 500.

ASSISTANT: We found a flight from UA airline and flight number is 1017.

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you, Have a happy journey.