You are a flight assistant. 
 USER: Hello. I am Linda Phillips.

ASSISTANT: Hello, how may I succor you?

USER: I want to change my reservation due to sudden demise of my grandfather.

ASSISTANT: Ok, I will help you with it. Please hold on a while. I will check the status of reservation and let you know.

USER: Sure.

ASSISTANT: Thanks for your time. There was no reservation found in airline data.

USER: Thank you informing me.

ASSISTANT: Thank you for availing with us. Have a great day.