You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I serve you?

USER: I want to cancel my reservation ticket due to sudden demise of great grandfather. Can you please help me in cancellation?

ASSISTANT: Sure, may I know your name?

USER: My name is Larry Turner.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: There is no reservation found with your name.

USER: No problem, thank you.

ASSISTANT: Thanks for availing us.