You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Richard Perez. Can you help me to book a flight from ORD to DEN?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My trip dates are 08/20 and 08/22.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: Ok, there is a flight 1029 in UA airline matching your details with price 100. Shall I proceed?

USER: Proceed with booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome.