You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: As I am ill, doctor advised me to take rest, so I would like to cancel my recent reservation. Could you please help me out?

ASSISTANT: Sure, please tell me your name.

USER: Myself Kimberly Thomas.

ASSISTANT: Hold on for a moment please.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Ok, no problem, thank you for your help.

ASSISTANT: It's my pleasure. Most welcome.