You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to cancel my recent reservation as soon as possible because my mother is admitted in Hospital. so please help me in cancellation.

ASSISTANT: Sure, we are here to help you to cancel your recent reservation. May I know your name to track your details?

USER: Sure, my name is Daniel Lopez.

ASSISTANT: Thanks for providing your name. Please be on hold, to check the status of your reservation and revert to you.

USER: Sure.

ASSISTANT: Thanks for being hold. We regret that, we did not find any reservation on your name to cancel.

USER: No problem, thanks for your effort.

ASSISTANT: Thank you for consulting our service. We hope to serve you again.