You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Do you have any flight to travel to NV-LAS from CA-SFO?

ASSISTANT: Ok, may I know your travel dates?

USER: My travel dates are 07/28 and 07/30.

ASSISTANT: May I know your name?

USER: Debra Mitchell here.

ASSISTANT: I found a flight with price 200 and flight name is AA airline which matches with your details.May I proceed for booking?

USER: You can proceed.

ASSISTANT: Ok, Mitchell your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Most welcome.