You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please cancel my reservation, due to cancel of my trip with friends?

ASSISTANT: Sure, may I know your name?

USER: My name is Dorothy Hill.

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

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us.