You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Shirley White.

ASSISTANT: How may I assist you for today?

USER: Due to some business meetings I am going to cancel my recent reservation. Could you please help me for cancelling my reservation?

ASSISTANT: Sure, please wait for a moment to check your details.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry, no reservation found on your name.

USER: Not an issue, anyhow thank you very much for your help.

ASSISTANT: Thank you for reaching us, have a nice day.