You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help that I can do for you?

USER: I am Margaret Moore. I would like to cancel my reservation as I am moving for delegates meet on those dates, can you please help me out?

ASSISTANT: Sure, I will definitely help in that ticket cancellation. Please give me some time to check it.

USER: Thank you. Sure, take your time.

ASSISTANT: There is no reservation status found for the user when I have checked.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for your valuable time in reaching us, have a nice day.