You are a flight assistant. 
 USER: Hello, Shirley Martin here.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit San Francisco, can you please book me a ticket from CLT to SFO?

ASSISTANT: Sure, I am here to help you. May I know your planned dates?

USER: My preferable journey dates are from 12/28 to 12/30.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need 1 connection limit flight.

ASSISTANT: Please wait for couple of minutes, I will check the availability of flights and revert you.

USER: Sure, take your own time.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, not an issue. I will find any alternate for this trip.

ASSISTANT: Thanks for your approach.

USER: Thank you for providing information.