You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I'm Cynthia Collins. As there is a tornado attack at my place, I am unable to catch the flight. Please help me to change my reservation.

ASSISTANT: Sure Cynthia. Please wait a minute. Cynthia, there are no active reservations found with your details.

USER: Oh! may be something went wrong while I was doing my reservation. That's ok, thank you for the information.

ASSISTANT: Thank you for using our services.