You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Unfortunately, I would like to cancel my recently done reservation because of some problems.

ASSISTANT: May I know your name to check your ticket details in our database?

USER: Sure, I'm Timothy Mitchell here.

ASSISTANT: Sorry Timothy, we could not find a reservation by your name.

USER: No issues for this. Thank you for providing me such information.

ASSISTANT: Thank you for reaching us.