You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I would like to cancel my recent reservation, please help me out.

ASSISTANT: Sure, I will help you with that. Please wait for a while, I will get back with your details. May I know your name please?

USER: My name is Matthew Harris.

ASSISTANT: I am sorry to say that there is no reservation found under your name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for contacting us. Have a great day.