You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation because of some personal work. Can you please help me out?

ASSISTANT: Sure, I will help you. Please share me your name?

USER: Sure, my name is Nicholas Green.

ASSISTANT: Please wait for few minutes.

USER: Sure.

ASSISTANT: There is no reservation with your name. Thank you for reaching us.

USER: Ok, no problem. Thank you for your information.