You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Helen White.

ASSISTANT: How may I assist you today?

USER: Can you help me in booking from OAK on Jul 04, as I need to attend a project meeting?

ASSISTANT: Sure, I am here to help you to book a flight ticket but I need some information like your period of journey, can you please mention it?

USER: My return date is Jul 06 to AUS.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Delta airline is providing flight with price 200 and connection is 1, shall I proceed with this flight?

USER: Make sure it is a economy class.

ASSISTANT: Your ticket has been booked with flight number 1016. With economy class only we reserved your ticket.

USER: Thank you.

ASSISTANT: Welcome.