You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: I will help you please share your name to proceed further?

USER: I am Shirley Clark.

ASSISTANT: No reservation found as per preferences at the moment.

USER: Ok, problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.