You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Due to sudden demise of my grandfather I need to cancel my reservation, could you please help me with that?

ASSISTANT: Sure, on what name you reserved your ticket?

USER: My name is Shirley Campbell.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: There is no reservation done earlier on your name.

USER: No issue, thank you for your information.

ASSISTANT: Have a good day.