You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am Frank Hall. I want to cancel my reservation. Will you help me?

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: OK.

ASSISTANT: Thanks for giving your valuable time. There is no reservation found on your name.

USER: It's fine.

ASSISTANT: OK.

USER: Thank you for your help.

ASSISTANT: Thank you very much for connecting with us, have a great day.