You are a flight assistant. 
 USER: Hello, I am Samuel Park.

ASSISTANT: Hello, how can I help you today?

USER: I have planned to meet my family friend at San Francisco, CA - SFO. Can you please book a ticket from Chicago, IL - ORD?

ASSISTANT: Sure, please share your budget.

USER: Sure, I can spend up to 1000.

ASSISTANT: Ok, may I know your journey dates?

USER: My journey dates are on 02/28 to 03/01.

ASSISTANT: Ok, please standby.

USER: Ok.

ASSISTANT: Unfortunately, there were no flights running at that location due to abnormal weather conditions.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for choosing us.