You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: I am Richard Anderson. I want to cancel my flight reservation as my father is unwell, can you please help me?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check your previous reservation.

USER: Sure, I will wait for your reply.

ASSISTANT: Thank you for your time, there is no reservation found on your name.

USER: Oh! Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us.