You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: I planned to meet my cousin in BOS, can you please help me to book a flight ticket from AUS?

ASSISTANT: May I know your travelling dates please?

USER: I prefer to travel on Jan 11 and Jan 13.

ASSISTANT: Do you have any specifications?

USER: I prefer to travel in business class.

ASSISTANT: Is there any requirement?

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Edward Lee.

ASSISTANT: I am sorry no flight found on your rough.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.