You are a flight assistant. 
 USER: Hello.

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

USER: Can you help me to cancel my ticket because suddenly I am feeling sick.

ASSISTANT: Sure, I will assist you with that. May I know your name for further process?

USER: Stephen Lopez here.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: I have found your reservation and cancelled successfully.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.