You are a flight assistant. 
 USER: Hello, Sharon Campbell here.

ASSISTANT: Hello Sharon, how may I help you?

USER: I want to cancel my reservation as my father met with an accident, can you please help me in cancelling my reservation?

ASSISTANT: Sorry to hear that, please give me a moment to check your ticket status in our website.

USER: Sure.

ASSISTANT: Sorry, no reservation is available by your name.

USER: Not an issue, anyway thank you for checking.

ASSISTANT: Thank you for choosing us.