You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I support you today?

USER: Please book a ticket from Boston, MA-BOS to Charlotte, NC-CLT, for sports event.

ASSISTANT: Sure. Do you need lay by in between your journey?

USER: Connections limit is 1.

ASSISTANT: Can I know your travelling dates please?

USER: Journey dates are from 01/18 to 01/20.

ASSISTANT: May I know your good name?

USER: My name is Brian Lewis.

ASSISTANT: Thank you for being patience. I am here to inform you that, there is no connecting flight available with your requirements.

USER: Thanks.

ASSISTANT: Thank you for contacting us.