You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Margaret Williams. Cna you help me in booking a flight ticket from BOS to EWR?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: I want to travel on 11/07, and need to catch return flight on 11/09.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.