You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me in cancelling my recent reservation? As I'm planning to quit my trip due to health issues.

ASSISTANT: Ok, I will help you with that. Please can I know your name to check?

USER: Sure, my name is Gary Carter.

ASSISTANT: Thank you for waiting, I am sorry to say as per your request I can not proceed. As there is not reservation by your name.

USER: Oh! That's ok, thank you for giving the information.

ASSISTANT: Thank you for choosing our agency and availing our service.