You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My holiday trip has been cancelled, could you please help me with cancelling my recent reservation?

ASSISTANT: Sure, I will help you, please hold on for a moment to check your reservation status. May I know your name please?

USER: My reservation was done under the name Melissa Clark.

ASSISTANT: Clark I found your reservation, can I cancel it?

USER: Yes, please cancel my reservation.

ASSISTANT: Your ticket is successfully cancelled.

USER: Thank you for your service.

ASSISTANT: It's my pleasure.