You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. May I know your name please?

USER: My name is Timothy Lopez.

ASSISTANT: How can I help you?

USER: I want to cancel my recent reservation as I am planning to long trip but it got cancelled. Can you help me with cancel my reservation?

ASSISTANT: OK,no problem. Surely. Give me a minute Lopez,I will get back to you.

USER: Sure.

ASSISTANT: Sorry Lopez,we did not find any reservation on your name.

USER: Ok, No problem, Thanks for the information.

ASSISTANT: Thank you for contacting with us.