You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to book a flight on Mar 4th to visit Oakland?

ASSISTANT: Sure, can I know your return date please?

USER: I will return on 6th Mar.

ASSISTANT: Ok, can I know your source airport code please?

USER: My source point is AUS.

ASSISTANT: Well, do you have any other requirements?

USER: Yes, I want my depart flight in afternoon.

ASSISTANT: Can I know your name please?

USER: My name is Paul Hernandez.

ASSISTANT: Ok, please wait.

USER: Sure, please provide me a connecting flight.

ASSISTANT: Thank you for waiting and we have found a flight in business class with 1 connection in Delta airlines and the fare of your flight will be 300. Do you like me to proceed your booking with this flight?

USER: Please proceed with booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1001.

USER: Thank you for helping me.

ASSISTANT: Most welcome.