You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER:  I am Dorothy Rodriguez. I want to visit Asian art museum at San Francisco, CA-SFO. Can you help me with booking?

ASSISTANT: Sure, may I know your journey details?

USER: Sure, my origin point is at Chicago, IL-ORD. My journey dates are from 01/19 to 01/21.

ASSISTANT: Wait a while I will be back with your details.

USER: Ok.

ASSISTANT: No flights found with your details.

USER: Ok. no issue.

ASSISTANT: Thank you, have a nice day.

USER: Thank you for your information.