You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am planning to travel from AUS to EWR, can you please help me in flight booking?

ASSISTANT: Sure, can you please let me know your travel dates?

USER: My departure day is Apr 22, return day is Apr 24.

ASSISTANT: Do you have any specifications?

USER: I want business class flight ticket.

ASSISTANT: To proceed further, may I know your name?

USER: My name is Jonathan Hill.

ASSISTANT: Ok, please stay online. I will check with airlines and let you know the availability.

USER: Sure, I want a flight with one connection.

ASSISTANT: Ok. Sorry, there were no flights found on your preferable travel dates.

USER: No problem, thank you.

ASSISTANT: Thank you for approaching us.