You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Alexander Garcia. I am planning to travel from ATL to DCA.

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

USER: My travelling dates are 09/27 to 09/29.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: Ok, there is a flight 1002 in Delta airline matching your details with price 100. Shall I proceed?

USER: Proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: You are welcome.