You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: I want to cancel my recent reservation. Can you help me for that one?

ASSISTANT: Ok, I am here to help you with that. May I know your good name?

USER: Sure, Dennis Jones here.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.