You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Please reserve my flight ticket with name Michelle Lee, I have to go for ORD from ATL. HELP me out with that?

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are 06/09 and 06/11.

ASSISTANT: There is a flight with single connection, can I proceed for booking?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.