You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: Sure, can you please let me know your name?

USER: I am Justin Roberts.

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

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.