You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help 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 provide me your name?

USER: I am Raymond Allen.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Raymond Allen. I regret to inform that there is no reservation by your name.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the information.