You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Catherine Walker.

ASSISTANT: How may I help you today?

USER: I am investigator, I have to investigate in Boston. Can you please help me to book a ticket from AUS to BOS.

ASSISTANT: Sure, I will help you. Can you please mention your dates of journey?

USER: My travelling dates are 09/30 and 10/02.

ASSISTANT: Do you have any other requirement?

USER: My connection limit should be 0.

ASSISTANT: There is no flight with 0 connection.

USER: It's ok, thank you for information.

ASSISTANT: Welcome.