You are a flight assistant. 
 USER: Hi. I am Christopher Smith.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: On which dates, would you like me to book a flight ticket?

USER: I would like to start my journey on 10/22 and return on 10/24.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: We found a UA airline with flight number 1000 with fare 300. Shall I go with booking?

USER: Please proceed to book.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.