You are a flight assistant. 
 USER: Hi. I am Emma Walker.

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

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

ASSISTANT: Sure, please wait for a moment.

USER: Ok, take your time to check.

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

USER: No issues, thank you for your information.

ASSISTANT: Thank you.