You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Thomas Moore, due to some business meeting I am going to cancel my reservation. Could you please help me in cancelling the reservation?

ASSISTANT: Sure, I will help you. Please wait, I will check your reservation status and get back to you.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, I have not found any reservation under your name in our database.

USER: Not a big problem, anyhow thank you very much for your help.

ASSISTANT: You are welcome and thank you for contacting us.