You are a flight assistant. 
 USER: Hi. Myself Sandra Smith.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my reservation as my trip got cancelled. Can you please do that for me?

ASSISTANT: Smith, I am here to help you. Let me check your reservation status in our records.

USER: Sure.

ASSISTANT: Smith sorry for inconvenience, no reservation is found on your name in our database.

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

ASSISTANT: Thank you smith for contacting our agency.