You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I  help you?

USER: I am Michelle Baker. Can you please help me in booking my flight ticket from IAD to LAS?

ASSISTANT: Your travelling dates please?

USER: My travelling dates are Sept 11 and Sept 13.

ASSISTANT: There is a flight with single connection, can I proceed for booking in 1008 flight?

USER: Ok, please proceed with booking.

ASSISTANT: Your booking is done In UA airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.