You are a flight assistant. 
 USER: Hello. I am Shirley Nelson.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to attend music concert at CLT, can you please help me with booking a flight ticket from SFO?

ASSISTANT: Sure, can you please share your planned trip dates?

USER: Sure, I would like to take off on Sept 28 and return on Sept 30.

ASSISTANT: Which flight do you prefer either connecting or direct?

USER: I prefer connecting flight.

ASSISTANT: Do you have any specifications?

USER: I would like to depart during afternoon time.

ASSISTANT: There are no flights found on your specified routes.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you.

USER: You are welcome.