You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to attend a Seminar in Atlanta. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travelling dates are Apr 29 and May 01.

ASSISTANT: May I know your airport codes?

USER: My airport codes are SFO and ATL.

ASSISTANT: Please share your name.

USER: My name is Karen Garcia.

ASSISTANT: Do you have any connection limit?

USER: I prefer single connection.

ASSISTANT: Ok, please wait a moment.

USER: Ok, I will wait.

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

USER: Anyway, thanks for the information.

ASSISTANT: Thanks for reaching us.