You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your assistance?

USER: I am Dennis Scott. I want to book a flight from OAK to EWR. Could you help me?

ASSISTANT: Sure, may I know when are you willing to travel?

USER: My preferable dates from 01/18 to 01/20.

ASSISTANT: Do you need a stopover?

USER: Yes, I need 1 connecting flight.

ASSISTANT: How much can you spend for your ticket?

USER: My fare is 1000.

ASSISTANT: Frontier airline with flight number 1021 is going on your route and the fare is 100. Shall I proceed with this booking?

USER: Yes, please proceed.

ASSISTANT: Your request for booking has been processed.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.