You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have planned for the trip, but unfortunately it was cancelled, so please help me to cancel my recent reservation.

ASSISTANT: Sure, may I know your good name?

USER: My name is Jason Smith.

ASSISTANT: Jason Smith, no reservation is found under your name.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for approaching us.