You are a flight assistant. 
 USER: Hello,. I am Thomas Lopez.

ASSISTANT: Hello, how may I render you today?

USER: I just want to cancel my recent reservation, due to sudden  demise of my Grand father. Can you please help me with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for opting us.