You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you?

USER: Please cancel my reservation, which is reserved earlier on my name. Can you help me?

ASSISTANT: Sure, provide me your name?

USER: Thank you. Dorothy White, is my name.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, no reservation was fond on your name.

USER: Ok, not a problem. Thanks for your help.

ASSISTANT:  Thank You for availing us.