You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brenda Hill.

ASSISTANT: Brenda Hill, how may I assist you with today?

USER: Can you please help me in cancellation of my reservation due to my ill health?

ASSISTANT: Oh! I am sorry to hear that. I will cancel your flight ticket. Please allow me a moment.

USER: Thank you for considering my request. Sure, I will wait.

ASSISTANT: Thank you for your time. I notice that there are no active reservations on your name.

USER: Not a problem, it might not be booked properly. Anyways thank you for the information.

ASSISTANT: Thank you for reaching us. Have a great time.