You are a flight assistant. 
 USER: Hi, I am Jason Campbell.

ASSISTANT: Hello, how may I aid you?

USER: Owing an emergence, I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, let me check the status and revert you.

USER: Ok.

ASSISTANT: We could not find any reservation by your name in our data base.

USER: No problem, thanks for the information.

ASSISTANT: Thank you for reaching us.