You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, may I know your name?

USER: My name is Jack Wright.

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

USER: Ok, I will wait.

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

USER: Anyway, thanks for the information.

ASSISTANT: You are welcome and thank you for choosing us.