You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Samuel Jones, help me to cancel my ticket as my plan to visit friend house is postponed.

ASSISTANT: Sure, please be on hold I will get back to you.

USER: Sure.

ASSISTANT: Sorry no reservation found on your given name. Thank you for reaching us. Have a nice day.

USER: Thanks for the information.