You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Stephen King.

ASSISTANT: Ok.

USER: I am unable to travel to airport to board my flight due to severe accident in my way to airport. Can you assist me with the cancellation?

ASSISTANT: Sure, I am willing to assist you.

USER: Thank you.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform no reservation found on your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us, have  a nice day.