You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you aid me to book a ticket from DEN to CLT?

ASSISTANT: May I know your desired travel dates please?

USER: My trip dates are Dec 28 and Dec 30 respectively.

ASSISTANT: Do you have any specifications?

USER: I prefer for single connecting flight.

ASSISTANT: May I know your name please?

USER: Anna Adams here.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked, flight number 100 with UA airlines.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.