You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Could you please cancel my recent reservation due to my health issue?

ASSISTANT: Surely, I will help you out.

USER: Thank you.

ASSISTANT: On whose name, you want to cancel the reservation?

USER: My name is Brandon Thomas.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for your valuable time. Sorry to say that, no reservation was found on your name to cancel.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for availing us.