You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul Phillips.

ASSISTANT: How can I help you today?

USER: Due to my health problem I want to cancel my reservation, can you please help me that?

ASSISTANT: Sure, we can help you with it.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Ok, I will wait for your information.

ASSISTANT: Thank you for waiting, currently there is no reservation found on your name.

USER: Ok, no problem, may be my friends was reserved wrongly.

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

USER: Thank you.