You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to cancel my flight reservation as my father met with an accident, can you please help me?

ASSISTANT: Sure, may I know your name?

USER: My name is John Miller.

ASSISTANT: Please wait for couple of minutes.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for contacting us.