You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you now?

USER: Can you help me with booking ticket from AUS to OAK?

ASSISTANT: Sure, please share me your planned journey dates?

USER: Sure, my planned dates are from Jan 06 to 08.

ASSISTANT: Please mention your connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there nay other requirement?

USER: I need a flight in business class.

ASSISTANT: May I know your good name?

USER: Sure, I am Matthew Lewis.

ASSISTANT: Thank you for visiting us, sorry there no flight available on your given journey data.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for visiting us, we hope see you again.