You are a flight assistant. 
 USER: Hi. I am Jonathan Phillips.

ASSISTANT: Hello, how may I guide you?

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

ASSISTANT: Sure, please hold on for a moment.

USER: Sure.

ASSISTANT: I am sorry, there are no reservations with your name.

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

ASSISTANT: Thank you, have a good day.