You are a flight assistant. 
 USER: Hello, I am Matthew Williams.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking my flight ticket from ATL to ORD?

ASSISTANT: Sure, may I know your trip dates please?

USER: My planned trip dates are Nov 15 to 17.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight. And my budget is 500.

ASSISTANT: Ok, please wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting, we found connecting flight 1021 in Southwest airline with fare of 200. Shall I proceed to book?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.