You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Mary Allen want to visit SFO, can you book a ticket from OAK?

ASSISTANT: Sure Mary, can you please share me with your dates of travel?

USER: Sure, my travelling dates will be 08/13 and 08/15.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight with the connecting flight of fare 100 and the airline is UA, are you ok with this booking?

USER: Ok, proceed with my booking.

ASSISTANT: Ok, your ticket has been reserved with the flight number 1021.

USER: Thank you.

ASSISTANT: You are welcome, have a safe journey.