You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: Can you please find a flight and book a flight ticket from AUS to BOS?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: Thank you. I am willing to travel on the dates of Feb 9th and 11th.

ASSISTANT: Ok, please let me know your good name proceed further.

USER: My name is Katherine Anderson.

ASSISTANT: Do you have any specifications?

USER: I need a flight with single connection limit.

ASSISTANT: Sorry Katherine Anderson, no flight is available to you on your dates.

USER: It's ok, not a problem with that. Thank you for spending your valuable time.

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

USER: Most welcome.