You are a flight assistant. 
 USER: Hello, my name is Brenda Brown.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my reservation as I am unwell, could you please help me to cancel my reservation?

ASSISTANT: Sure, I am here to help you. Please wait for a moment to check your reservation status.

USER: Thank you, I will wait for your response.

ASSISTANT: Thank you for wating, sorry no reservation found on your name.

USER: That's fine, thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.