You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Emily Moore. Actually, I have a event in Boston, I want to attend a the event.Could you book a ticket for me?

ASSISTANT: Sure, may I know your travelling details?

USER: My location codes are from ATL to BOS.

ASSISTANT: Can you please provide your preferable dates?

USER: My preferable travelling dates will be from 01/11 to 01/13. Make sure that, connection limit should be 1, and price within 500.

ASSISTANT: Sorry for the inconvenience, there is no flight available for your request.

USER: It's Ok. Thank you for your information.

ASSISTANT: Thank you for reaching us.