You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name?

USER: Due to sudden demise of my Grandmother, I want to cancel my recent reservation. Can you help me with this?

ASSISTANT: sure, please wait.

USER: Ok, I will wait.

ASSISTANT: May I know your name?

USER: Sure, my name is Jacob Robinson.

ASSISTANT: There is no reservation found with your name.

USER: No problem, thanks for your service.

ASSISTANT: Thank you for reaching us.