You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

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

ASSISTANT: Sure, when do you want to start and return on?

USER: My travelling dates are Sept 10 to Sept 12.

ASSISTANT: Do you need a connecting flight?

USER: I need a single connection of flight.

ASSISTANT: Do you have any other specifications?

USER: I want to return in the afternoon.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, no problem. For your documentation purpose take my name Raymond Baker.

ASSISTANT: Thank you.