You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samantha Johnson here.

ASSISTANT: How may I help you?

USER: I want to cancel my reservation due to my project work in my collage, can you help me?

ASSISTANT: Sure, I will help you with the flight reservation cancellation.

USER: Ok, please check with my existing reservation and let me know.

ASSISTANT: Sure, please wait for a moment. Thanks for your time.

USER: No issues.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: Oh! That's very sad to know, thank you for checking anyways.

ASSISTANT: Thank you.

USER: You are most welcome.