You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from SFO to CLT to enjoy Innovation festivals.

ASSISTANT: Sure, we are here to help you. Kindly share your travel dates.

USER: Sure, my scheduled dates are May 23 and May 25.

ASSISTANT: Do you have any connection limit?

USER: I prefer maximum 1 connection.

ASSISTANT: Is there any other specifications?

USER: I would prefer return time at afternoon.

ASSISTANT: May I know your name?

USER: Sure, Kimberly Johnson here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform, no flights found with your requirement.

USER: Ok, no issues. Thank you for your assistance.

ASSISTANT: Thanks for reaching us.