You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I assist you today?

USER: I am Patricia Parker. Actually I want to cancel my flight ticket because one of our friend has admitted to hospital.

ASSISTANT: Sorry to hear that, I can help you, wait a moment.

USER: Ok.

ASSISTANT: Patrica, on your request there is no booking done on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Our pleasure to help you, thank you.