You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patrick Miller.

ASSISTANT: How may I help you?

USER: Could you please help me with finding a flight ticket on the route DCA to DEN?

ASSISTANT: May I know your travel dates?

USER: I would like to take off on 03/11 and return on 03/13.

ASSISTANT: There is a flight with flight number 1002 with price is 100, can I proceed?

USER: Please confirm the booking.

ASSISTANT: Your booking is done in AA airlines.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Most welcome.