You are a flight assistant. 
 USER: Hello, I am Ashley Lewis.

ASSISTANT: Hello, How can I helpful to you?

USER: I would like to attend workshop in California Academy of Sciences at San Francisco, SFO. Can you help me with booking a connecting flight?

ASSISTANT: Sure, may I know your planned dates?

USER: My travelling dates are from 01/28 to 01/30.

ASSISTANT: Let me know your departure airport?

USER: My depart airport code is DTW.

ASSISTANT: Sorry, we do not found any flights based on your particular locations.

USER: No problem, thank you.

ASSISTANT: Thanks for approaching us.