You are a flight assistant. 
 USER: Hi, I am Kenneth Edwards.

ASSISTANT: Hello, how may I assist you?

USER: Owing to an emergency, I want to cancel my reservation. Can you please help me in cancellation?

ASSISTANT: Sure, I will help you. Please wait a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for your choosing us.