You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am Deborah Wright. I am planning to cancel my recent  reservation, because of health issue.Can you please cancel my reservation?

ASSISTANT: Ok, give me a moment please to check existing reservation. Yes, Wright I do not find any reservation under your name in our data base to cancel.

USER: That's really sad to hear.

ASSISTANT: Do you have any other requirements?

USER: I will  cancel my reservation any other agency.Thank you for your service,.

ASSISTANT: Ok, thank you for choosing our service. Hope you have a great day ahead.