You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Myself Brenda Thompson, I want to cancel my flight reservation as I am unwell. Can you please help me?

ASSISTANT: Sure, please wait for a moment I will check your details and proceed further.

USER: Sure, I will wait.

ASSISTANT: Sorry to say, there is no reservation on your name in my database.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for reaching us, have a safe journey.