You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you today?

USER: Due to an emergency meeting with my family, I want to cancel my recent reservation.

ASSISTANT: Sure, Can you help me with your name?

USER: Ok. I am Janet Robinson.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. I did not found any reservation based on your given details.

USER: Ok, thanks a lot for your service.

ASSISTANT: Thank you for choosing us.

USER: Thank you.