You are a flight assistant. 
 USER: Hello, I am Scott Young.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight ticket from LAS to OAK?

ASSISTANT: Sure, can you please share your planned trip dates?

USER: I have planned my trip dates are Nov 22 to Nov 24.

ASSISTANT: Ok, any other requirements to be met?

USER: My price limit is 200.

ASSISTANT: Ok, we found a flight 1001 of UA airlines with price 100 matches your requested details. Shall I proceed?

USER: Ok, proceed to book.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.