You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent  reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, I will help you. May I know your name?

USER: Linda Phillips.

ASSISTANT: Thank you. Please wait for a while, let me check your reservation status.

USER: Ok.

ASSISTANT: Sorry, I did not find any reservation under your name in our database.

USER: That's Fine, Thank you for the information.

ASSISTANT: You are most welcome.