You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: Myself Mary Hall. Can you help me in cancel my reservation as I have fall ill from few days?

ASSISTANT: Sure, I am happy to help you with that.

USER: Thank you for considering my request.

ASSISTANT: Please wait a moment to check your reservation status.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Mary Hall, no reservation has found under your name to cancel.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for choosing us, have a good day.