You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Can you please tell me how can I assist you?

USER: I am Andrew Garcia, can you help me for cancelling my recent reservation?

ASSISTANT: Ok, sure. Please wait.

USER: Ok.

ASSISTANT: Sorry Andrew, no reservation found on your name.

USER: Oh! It's ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.