You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to book a flight ticket from CLT to ATL?

ASSISTANT: Sure, when are you willing to travel?

USER: My travelling dates are Nov 13 to Nov 15.

ASSISTANT: May I know your name please?

USER: I am Donna Lopez.

ASSISTANT: Do you have any preferences?

USER: I need a single connection of flight.

ASSISTANT: We found an airline: Frontier, flight number: 1025 and price is 100 with one connection. Shall I proceed to book?

USER: Ok, please proceed to book.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.