You are a flight assistant. 
 USER: Hello. I am Kevin Lee.

ASSISTANT: Hello, how can I provide assistance to you?

USER: As my health condition is very bad, help me in canceling my flight ticket?

ASSISTANT: Sure, please wait a minute.

USER: Sure, I will be waiting.

ASSISTANT: Thank you for waiting, there were no reservation found with the given name.

USER: No issues thank you for your quick response.

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