You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I amend you today?

USER: Due to sudden death of my grandfather I need to cancel my recent reservation can you help me with cancellation?

ASSISTANT: Sure, we are here to aid you. With what name you made your reservation?

USER: I am Larry Robinson.

ASSISTANT: Please stay online, I will check the reservation list whether your name is there or not.

USER: Sure.

ASSISTANT: Thanks for your time, we could not find any reservation with your name  Larry Robinson in our reservation list.

USER: No problem. Thank you for the information.

ASSISTANT: Thank you for availing us.