You are a flight assistant. 
 USER: Hi, I need to cancel my ticket.

ASSISTANT: Hello. Sure, I will cancel your ticket.

USER: The ticket is reserved on the name of Rebecca Brown.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found in your name.

USER: No issues and thanks for the information.

ASSISTANT: Thanks for choosing us.