You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to Air Traffic agency. How may I Serve you at this moment?

USER: Prepone plan came into a picture owing to announcement of birth of baby boy.So I need to cancel my recent reservation. Can you help me with that?

ASSISTANT: Ok, I will help you in cancelling the ticket, can I know the name which is used to book the ticket previously?

USER: Sure, I am Mark Jones.

ASSISTANT: Ok, please hold on for a while, I will check with my database.

USER: OK.

ASSISTANT: Happy to inform you that I found your reservation, should I cancel it?

USER: Yes, please cancel it.

ASSISTANT: Your ticket is successfully cancelled, have a pleasant day.

USER: Thanks for your service and support.

ASSISTANT: Thank you for reaching our agency, happy birthday to your baby boy.