You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Richard Moore.

ASSISTANT: How can I aid you?

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

ASSISTANT: Sure, I am here to help you in cancelling in your reservation.

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

ASSISTANT: Thank you for waiting. Sorry, there is no reservation have been found under your name in our database to cancel it.

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

ASSISTANT: Thank you for reaching us.