You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to cancel my ticket booking due to some issues , can you please help me in that?

ASSISTANT: May I know your name?

USER: Sure, my name is Shirley Adams.

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

USER: Ok, that's fine, thank you for your help.

ASSISTANT: Thank you for reaching us.