You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Kimberly Roberts.

ASSISTANT: Nice to meet you Kimberly Roberts.

USER: Actually, I want to cancel my recent reservation, due to some urgent work. Can you help me out?

ASSISTANT: Sure. Actually there is no reservation found on your name.

USER: That's fine. Thank you for your help.

ASSISTANT: Ok, thank you for approaching us.