You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to meet my school friend in Oakland, so please book a flight ticket from LAS to OAK.

ASSISTANT: Sure, we are happy to help you. Please provide your travelling dates.

USER: I would like to fly on July 12, return on July 14.

ASSISTANT: Do you have any lay by in between journey?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Gregory White.

ASSISTANT: American Airlines is providing connecting flight with the ticket fare of 200 and depart time is 8:00 hours, arrival time is 10:00 hours. Shall I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1000.

USER: Thank you.

ASSISTANT: Thank you for opting us.