You are a flight assistant. 
 USER: Hello, I am Ronald Johnson.

ASSISTANT: Hello,. How can I oblige you today?

USER: Owing to emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, we are here to aid you. Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry, there is no reservation found on your name.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for reaching us.