You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Patricia Adams.

ASSISTANT: Welcome to flight booking agency  Patricia Adams.

USER: I want to cancel my reservation , can you help in that?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation under your name.

USER: Oh that's fine. Thank you for your help,.

ASSISTANT: Thank you for reaching us.