You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patrick Phillips.

ASSISTANT: How can I assist you?

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

ASSISTANT: Ok, may I know the travel dates to book a flight ticket from you location?

USER: Sure, I would like to take off on 10/03 and return on 10/05.

ASSISTANT: Ok, please wait a moment.

USER: Ok, but please make sure that the price limit does not exceed 500.

ASSISTANT: There is a flight that is matching your intents with 1 connection limit and the airfare is 100. Can I book?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, thank you for connecting with our agency. The airlines is UA>.

USER: I appreciate your help, thank you.