You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Kathleen Roberts. can you book me a ticket to Austin, TX - AUS to meet my grand parents on 03/31.

ASSISTANT: Sure. Can you please help me when your intend to return?

USER: I intend to return on 04/02.

ASSISTANT: Please share your source code.

USER: My source airport is Chicago, IL - ORD.

ASSISTANT: Do you need any specifications?

USER: Yes, I need a halt in between the journey with a fare of 5000.

ASSISTANT: Sorry, there is no flight found on your given name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.