You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I need to cancel my reservation as my trip got cancelled, can you please help me out in cancellation?

ASSISTANT: Sure, may I know your name?

USER: I am Deborah Smith.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Ok.

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

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for choosing us.