You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am William Jackson. Please cancel my recent reservation.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting. There is no active reservation found under your name in our database to cancel it.

USER: No issues, thank you for helping.

ASSISTANT: Thank you for reaching us.