You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samantha Lewis, suddenly I cancelled my plans. So, can you please cancel my recent reservation?

ASSISTANT: Ok, sure let me check your flight details.

USER: Ok.

ASSISTANT: Sorry to say, there is no flights on your name.

USER: It's ok. Thank you for your time.

ASSISTANT: Ok, thank you for contacting us.