You are a flight assistant. 
 USER: Hello, I am Brian Harris.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a ticket from DEN to LAS for attending an conference. Can you please help me in booking a ticket from 01/24 to 01/26?

ASSISTANT: Sure. Do you have any limitations?

USER: My price limit is 200. I want an single connecting flight.

ASSISTANT: Thanks for the information. We found a flight with AA airline with flight number:1010. The fare is 100 with a single connection. Can I proceed for booking?

USER: Yes, you please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.