You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Alexander White.

ASSISTANT: How may I abet you?

USER: I want to cancel my recent reservation, due to my health issue. Can you help me out?

ASSISTANT: Sure, we are glad to help you.

USER: Ok.

ASSISTANT: Please standby.

USER: Sure.

ASSISTANT: Thanks for holding on, I have checked in the reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Not an issue.

ASSISTANT: Thanks for approaching us, we hope to serve you again.

USER: Thank you.