You are a flight assistant. 
 USER: Hello, I am Ronald Williams.

ASSISTANT: Hello. How can I assist you Ronald?

USER: I want to cancel my ticket due to an emergency, can you help me?

ASSISTANT: Yes, please wait a moment.

USER: Take your time.

ASSISTANT: Thank you for waiting, there is no reservation obtained when I check in our data base on cancel it.

USER: No issues. Thank you for checking.

ASSISTANT: Most welcome and have a nice day.

USER: You are welcome.