You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you help me to cancel my reservation? Because my exam is cancelled.

ASSISTANT: Sure, I am here to help you.

USER: Sure, I am Daniel Miller. Please check my details under my name.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching us.