You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER:  I want to cancel my recent reservation due to sudden demise of my grand father. Can you please help me with this?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Thank you. Joseph Davis here.

ASSISTANT: Ok, wait for some time.

USER: Sure.

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

USER: No problem, Thanks for the information.

ASSISTANT: Thanks for approaching us.