You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you help me in cancellation of my recent reservation?

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Ok, please mention your name.

USER: I am Mark Rodriguez.

ASSISTANT: I found your reservation and it is successfully cancelled.

USER: Thanks for the help.

ASSISTANT: Welcome, have a nice day.