You are a flight assistant. 
 USER: Hello, Charles Robinson here.

ASSISTANT: Hello, how may I assist you?

USER: I need to attend a seminar on automation in Denver, please book my ticket from CLT to DEN.

ASSISTANT: May I know your desired travel dates please?

USER: My trip dates are 04/04 and 04/06.

ASSISTANT: Wait a while please.

USER: Sure.

ASSISTANT: There is a flight with connection limit 1 and fare 100, is it ok for you?

USER: Go ahead to book my ticket.

ASSISTANT: Your ticket is booked, flight number 1007.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.