You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Kathleen Brown. I am planning to travel from CLT to SFO, help me in booking a flight?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are 02/12 to 02/14.

ASSISTANT: Do you want connecting flight?

USER: Yes.

ASSISTANT: Do you have any other requirements?

USER: I want to travel in afternoon flight.

ASSISTANT: Sorry, there are no flights found with your given dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for opting us.