You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I met with an minor accident and I want to take rest. So, I would like to cancel my recent reservation.

ASSISTANT: Sad to hear this, I will help you. May I know your name?

USER: My name is Matthew King.

ASSISTANT: King, I did not found any reservation with your name.

USER: Ok, thank you for the information.

ASSISTANT: Most welcome, take care of your health.

USER: You are welcome.