You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: My name is Alexander Moore. Due to my sudden health problem, my trip got cancelled. Can you please help me with that?

ASSISTANT: Sure, hold on for a moment.

USER: Ok.

ASSISTANT: I'm sorry, there are no reservations with you name.

USER: That's ok. Thank you for your time.

ASSISTANT: Thank you, have a good day.