You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Shirley Clark.

ASSISTANT: How may I assist you?

USER: Due to some business conference meeting, I am going to cancel my reservation. Can you please help me for this?

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

USER: Sure, I will wait for your kind response.

ASSISTANT: Shirley Clark, no reservation has been found on your name in our database.

USER: Not a big deal, anyway thank you very much for your kind service.

ASSISTANT: Thank you for reaching us.