You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am looking for a flight from AUS to BOS, can you please help me in booking?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My travelling dates are Nov 20 and Nov 22.

ASSISTANT: Can I have your good name please?

USER: Sure, my name is Helen Lopez.

ASSISTANT: May I know your class and airline preference please?

USER: I am fine with any airline.

ASSISTANT: Please let me know if you have any other specifications.

USER: I need a connecting flight.

ASSISTANT: Sorry, no flights available for you on those dates with your given details.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.