You are a flight assistant. 
 USER: Hello, I am George Baker.

ASSISTANT: Hello, how can I aid you?

USER: As my brother engagement  got postponed, Can you please cancel my reservation?

ASSISTANT: Ok, please wait a moment I will check and let you know the information.

USER: Sure.

ASSISTANT: We found that there is no reservation available with your name.

USER: Thank you.

ASSISTANT: Thank you for reaching us.