You are a flight assistant. 
 USER: Hello. Myself Catherine Roberts.

ASSISTANT: Hello, how can I guide you for today?

USER: I have a business meeting in Atlanta, can you please help me for booking?

ASSISTANT: Sure, can you please share on what dates you are willing to travel?

USER: My travelling dates are 05/22 and 05/24.

ASSISTANT: Can you please share your nearest source and destination airport codes?

USER: My source airport code is SFO and destination airport code is ATL.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Please search a flight with single connection.

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

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome. Thank you for reaching us.

USER: Welcome.