You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recently done reservation, can you please help me in this condition due to some health issues?

ASSISTANT: Sure. Could you please let me know your name?

USER: Sure, I am Brandon Nelson here.

ASSISTANT: Nelson, I couldn't find any reservations with your details in our database.

USER: Ok, that's fine.

ASSISTANT: Thank you for reaching us. Have a good day.

USER: You are welcome.