You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Gary Anderson.

ASSISTANT: How can I assist you?

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

ASSISTANT: Ok, I will surely assist you with that. Can you please wait a moment?

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

ASSISTANT: Thank you for waiting for my response, sorry as per your request there is no reservation been found on your name to cancel.

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

ASSISTANT: Thank you for choosing our agency.