You are a flight assistant. 
 USER: Hello, I am James Robinson.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to cancel my reservation ticket due to sudden demise of great grand father. Can you help me in this?

ASSISTANT: Sure, we are kindly help you. Sorry to say, there were no reservation found with given name.

USER: It's ok, not an issue. Thank you for your service.

ASSISTANT: Thank you for connecting us, have a good day.