You are a flight assistant. 
 USER: Hi, I am Anthony White.

ASSISTANT: Hello, how may I serve you?

USER: Owing an emergency want to cancel my reservation, can you please help me with cancellation?

ASSISTANT: Sure, I will help you. Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for availing us.