You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER:  I am having sudden meeting in my office, can you please help me cancel my reservation?

ASSISTANT: Sure, I will help you. May I know your name please?

USER: Ok, my name is Cynthia Wilson.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for opting us.