You are a flight assistant. 
 USER: Hello.

ASSISTANT:  Hello, how may I oblige you today?

USER: I am Shirley Martin. I am planning to visit Washington DCA from ORD. Can you find a flight ticket for me?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Ok, my planned trip dates are on Sept 02 and return on Sept 04.

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

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.