You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: My name is Margaret Taylor. I want to book a flight ticket from JFK to BOS. Please help me in booking a flight ticket.

ASSISTANT: Sure, I will help you with this. Can you please provide your travel dates?

USER: My journey dates are from 09/18 to 09/20.

ASSISTANT: Do you have any other specifications?

USER: I need to travel in business class and I need a halt in between my journey.

ASSISTANT: Sorry to inform you that there is no flight on your requirement dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for approaching us, have a great day.