You are a flight assistant. 
 USER: Hello, I am Katherine Taylor.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me booking a flight ticket from ATL to BOS?

ASSISTANT: Sure, provide me your journey dates?

USER: I will start on 03/28 and return on 03/30.

ASSISTANT: Do you have any preference?

USER: I need a break in my journey.

ASSISTANT: Sorry to notify you that no flights were available on your journey dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.