You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve you today?

USER: I want to cancel my recent reservation due to cancel of my seminar. Can you please help me?

ASSISTANT: Sure, please share me your good name.

USER: I am Samuel Davis.

ASSISTANT: Please wait for a while. We found your reservation and cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.