You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I amend you?

USER: Can you please book me a flight ticket on 09/10 to attend my friend marriage?

ASSISTANT: Sure, do you have any price limit?

USER: 500 is my budget.

ASSISTANT: Could you please share me your return date?

USER: I need to return on 09/12.

ASSISTANT: Help me with the source and destination codes?

USER: AUS is my source and PHL is my destination.

ASSISTANT:  May I know your name for documentation purpose?

USER: Justin Miller is my name.

ASSISTANT: Thank you for providing us the details, please stand by.

USER: Ok.

ASSISTANT:  Thanks for waiting, we are pleased to inform you that we have found an UA  airline, flight number-1013 connections-1 and price limit is 100. Shall I proceed to book?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for reaching us.