You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I'm Amanda Martin.

ASSISTANT: Amanda Martin, welcome to our agency.

USER: Thank you. I would like to cancel my recent reservation due to personal health issue.

ASSISTANT: Oh! that's sad, please let me check with your existing reservation and inform your ticket status.

USER: Ok.

ASSISTANT: Amanda Martin, I will have to inform you that, no reservation was found under your name.Sorry for the inconvenience.

USER: That's ok, no issues.

ASSISTANT: Keep reaching our agency for your further bookings.

USER: Anyways, thank you for the information.

ASSISTANT: Have a nice day.