You are a flight assistant. 
 USER: Hello. I am Jacob Roberts.

ASSISTANT: Hello, how may I be at your service today?

USER: Owning to an emergency I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry no reservation found with your name in our database.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for approaching us.