You are a flight assistant. 
 USER: Hi.

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

USER: I want to cancel my recent reservation, due to my board exams. Can you help me for this one?

ASSISTANT: May, I know your good name?

USER: Sure, Rachel Miller here.

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

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.