You are a flight assistant. 
 USER: Hello. I am Stephanie King.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to enjoy Fun filled vacations at San Francisco, SFO. Please help me in booking a flight ticket from Las Vegas, LAS?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 07/18 to 07/20.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a single connection flight. My price limit is 1000.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight with fare of 100 in Frontier airline. Shall. Shall I proceed for booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thanks for opting us.