You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I want to cancel my recent reservation due to my health condition.Can you do the needful?

ASSISTANT: Ok, please can I know your name to proceed?

USER: Steven Brown here.

ASSISTANT: Ok, please wait a moment I will check.

USER: Sure.

ASSISTANT: Ok, thank you for waiting. Sorry as per your need there is no reservation been found in our records to cancel.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for choosing our agency.