You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, I am Melissa Harris.

ASSISTANT: I am sorry to say that there is no reservation found under your name.

USER: It's ok, thanks for checking my reservation status.

ASSISTANT: Thank you for reaching us.