You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to attend a live music concert at Charlotte. Can you book a ticket on Nov 5th?

ASSISTANT: Sure, please share your return date?

USER: I need to catch a return flight on Nov 7th.

ASSISTANT: May I know your source point please?

USER: My source is from EWR.

ASSISTANT: Do you have any other specifications to be met?

USER: I prefer a business class. And I need a connecting flight.

ASSISTANT: Please share your good name?

USER: My name is Samantha Parker.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.