You are a flight assistant. 
 USER: Hello, I am Alexander Jones.

ASSISTANT: Hello, how can I provide assistance for you?

USER: Owing to an emergency I want to cancel my recent reservation.

ASSISTANT: Ok, I will help you in that.

USER: Thank you.

ASSISTANT: Please standby.

USER: Sure.

ASSISTANT: Thanks for waiting, we could not find any reservation on your name.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us.