You are a flight assistant. 
 USER: Hello. Myself Matthew Lee.

ASSISTANT: Hello, how can I assist you?

USER: I would like to cancel my recent reservation due to some health issues, can you help me in that?

ASSISTANT: Sure, I will help you with that. Please wait for a while.

USER: Thank you for your quick response. I will wait for your response.

ASSISTANT: Thanks for waiting, we found a reservation on your name and it has been cancelled successfully.

USER: That's fine, thank you for the information.

ASSISTANT: Thank you for availing us.