You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Mary Lee, I want to book a flight ticket from DFW - OAK.

ASSISTANT: May I know your travel dates please?

USER: My travelling dates are 03/18 and 03/20.

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

USER: Yes, please proceed with my booking.

ASSISTANT: Your booking is done on 1021 flight. Thank you for choosing us.

USER: Thank you for booking my flight ticket.