You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I serve you?

USER: I am Margaret Jackson. I want to book a flight ticket.

ASSISTANT: OK, can you please put forward your details for further booking process?

USER: Sure, I need to travel from Boston MA-BOS to New York NY-EWR.

ASSISTANT: OK, may I know your travelling dates with price limit and connection?

USER: I need to travel on departure:July 15 and return on:July 17. I prefer only 1 connection limit and price limit of 500.

ASSISTANT: OK, Please be on hold, I will revert you soon about flight details.

USER: OK.

ASSISTANT: Thank you for waiting. Sorry for inconvenience, We didn't found a flight with 1 connection.

USER: OK, Thank you for the information.

ASSISTANT: Thank you for choosing us.