You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may  I help you today?

USER: Due to some health issues, I need to cancel my reservation. Can you please help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: I am Kevin Scott.

ASSISTANT: Ok, please wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry, there is no reservation found on your name in our data base.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.