You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me with booking a flight ticket from AUS to EWR?

ASSISTANT: Sure, I am here to help you. May I know on which dates you want to travel?

USER: My travel dates are Sept 22 and 24.

ASSISTANT: Ok, do you need any connection in between the journey?

USER: I need a connecting flight.

ASSISTANT: Please share your class preference.

USER: I prefer business class.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Brain Young.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Thanks for the help.