You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, please wait a moment.

USER: Ok, I will wait for your response.

ASSISTANT: We found a reservation with your name and it has been cancelled successfully.

USER: Thank you very much for your service.

ASSISTANT: Thanks for reaching us.

USER: You are welcome.