You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Frank Allen here.

ASSISTANT: How can I assist you?

USER: I want to cancel my recent reservation, due to some emergency. Please help me out with that.

ASSISTANT: Ok, please wait.

USER: Ok, sure.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: Ok, not a problem. Anyways, thank you for the information.

ASSISTANT: Most welcome.