You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Patrick Roberts. I am planning to attend business meeting at DEN, can you please help me with booking a flight ticket from ORD?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: Sure, I would like to take off on Aug 8 and return on Aug 10.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable with any class.

ASSISTANT: I have found a flight 1028 with price 100, can I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: I have confirmed your ticket.

USER: I appreciate your help, thank you.

ASSISTANT: You are welcome.