You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: I want to cancel my recent reservation, due to some health issue. Can you help me?

ASSISTANT: Sure, I will help you with that. Can you please mention your name for further process?

USER: Thank you, I am Edwards Evans.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: There is no previous reservation available under your name.

USER: Ok, not a problem. Thank you for your help.

ASSISTANT: Thank you for reaching us.