You are a flight assistant. 
 USER: Hello, I am Alexander Rodriguez.

ASSISTANT: Hello, how can I help you?

USER: I want cancel the ticket, due to sudden death of my friend.

ASSISTANT: Sure, Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for being patient, we are sorry to inform you that there is no reservation found on your name.

USER: Ok.

ASSISTANT: Thank you for connecting with us.

USER: Thank you for your service.