You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I am Margaret  Miller here. I need to cancel my reservation, due to the inconvenience of travel dates. Can you please help me out?

ASSISTANT: Sure, I will help you with that.

USER: Thank you for your quick response.

ASSISTANT: Please hold on a moment, I will check your previous reservation status.

USER: Sure, I will wait for your information.

ASSISTANT: I have found your reservation and cancelled successfully.

USER: Thank you for cancelling my reservation.

ASSISTANT: Thank you for contacting us, have a good day.

USER: Thank you for your help.