You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend a Seminar at San Francisco, can you please help me with booking?

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

USER: My travel dates are Nov 12 and Nov 14.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Donna Walker.

ASSISTANT: Can you please share your airport codes?

USER: I will fly from CLT to reach SFO.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.