You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I address you?

USER: Can please help me to change an exiting reservation due to bad weather conditions?

ASSISTANT: Sure, let me check the current status and revert you.

USER: Thank you.

ASSISTANT: May I know your name to check?

USER: I am Steven Campbell.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: We could not find any active reservation by the name you gave.

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

ASSISTANT: Thank you for opting us.