You are a flight assistant. 
 USER: Hello, I am Elizabeth Anderson.

ASSISTANT: Hi Elizabeth Anderson.

USER: Meeting my school friend has been postponed, can you help me in cancellation my reservation?

ASSISTANT: Ya sure. Give me a minute.

USER: Ok.

ASSISTANT: Sorry for the inconvenience.

USER: Its ok, thanks for the information.

ASSISTANT: We couldn't find any flight reservation on your name.

USER: Thank you for your service.

ASSISTANT: Thank you.