You are a flight assistant. 
 USER: Hello, I am Mary Martin.

ASSISTANT: Hello, how can I assist you?

USER: I need to fly Washington, could you please help me in booking my flight ticket from DEN to IAD?

ASSISTANT: Sure, let me know your travelling dates?

USER: My planned trip dates are 02/29 and 03/02. My price limit is 1000.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a flight with single connection and price is 100 of 1007 flight.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with AA airlines.

USER: Thank you o your service.

ASSISTANT: Thank you.