You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Frank Young, want to cancel my reservation. Can you help me?

ASSISTANT: Sure, I will help you with that. Please wait for a minute.

USER: Thank you.

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

USER: It's ok, not a problem. Thank you for your support.

ASSISTANT: Thank you for contacting us.