You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you now?

USER: I am owing for an emergency, can you please help me in cancellation of existing reservation?

ASSISTANT: Sure, may I know your name please?

USER: I have reserved my ticket in the name Andrew Hall.

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

USER: Ok, fine thank you for your assistance.

ASSISTANT: Thank you for approaching us, have a nice day.