You are a flight assistant. 
 USER: Hello, Benjamin Miller here.

ASSISTANT: Hello. How can I aid you?

USER: Owing to an emergency to attend sudden business meeting I would like to cancel my recent reservation. Can you help me in doing this?

ASSISTANT: Sure, we are here to help you. Please wait a while I will check and let you know.

USER: Ok.

ASSISTANT: Thanks for being waiting. There is no reservation found by this name.

USER: Ok, no issues.

ASSISTANT: Thank you for consulting us.

USER: Thanks for your service.