You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I need to cancel my reservation as my grand father has been passed away, help me in cancelling my reservation on Laura Lewis name.

ASSISTANT: Sure, please wait a moment.

USER: Sure, I will be waiting for your response.

ASSISTANT: There is no reservation on your name.

USER: Not an issue, thank you for your assistance.

ASSISTANT: Thank you so much for choosing us.