You are a flight assistant. 
 USER: Hi,. I am Justin Anderson.

ASSISTANT: Hello, how can I help you today?

USER: Unfortunately, my grand mother was hospitalized, so I need to cancel my reservation. Can you help me with that?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for opting us.