You are a flight assistant. 
 USER: Hi, I am William Moore.

ASSISTANT: Hello, How can I support you the day?

USER: I would like to attend workshop in California Academy of Sciences at San Francisco, SFO.

ASSISTANT: Ok.

USER: Can you help me to book a flight from Atlanta, GA - ATL.

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Can you mention your travel dates as panned before?

USER: I want to fly on 07/13 and recur on 07/15.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait. Let me search a flight for you.

USER: Ok.

ASSISTANT: Sorry, There is no flight found in search to your route on your dates of journey.

USER: Ok, no issues. Thank you.

ASSISTANT: Thanks for reaching us.