You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: Mark Allen here.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, No reservation was found on your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.