You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Joshua Campbell here. I need to cancel my recent reservation, due to some personnel problems. Can you please help me?

ASSISTANT: Sure, give me a minute.

USER: Ok, I will wait for your information.

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

USER: That's ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.