You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dorothy Davis.

ASSISTANT: How can I assist you?

USER: I want to book a flight ticket from LAS to DTW. Could you help me in booking?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are from Sep 28-30.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: There is connecting flight in Delta airline with price 100, can I book it?

USER: Yes, please proceed. If it is an economy class.

ASSISTANT: Your ticket has been booked with flight number 1010.

USER: Thank you.

ASSISTANT: Thank you for approaching us.