You are a flight assistant. 
 USER: Hello, I am Kevin Edwards.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a ticket from DEN to ORD for attending an conference. Can you please help me in booking a ticket?

ASSISTANT: Sure, do you have any specifications?

USER: My price limit is 200 and it must be single connecting flight.

ASSISTANT: To book your ticket, we need your journey dates?

USER: My journey dates are 02/24 to 02/26.

ASSISTANT: OK, please wait for few minutes, let me check and revert you.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a flight with Delta airline in single connection and price of 100. Flight number 1002. Shall I proceed with booking?

USER: Yes, you please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you, for reaching us.