You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent ticket booking due to office work that my manager did not approved my leaves, so can you please cancel it?

ASSISTANT: Ok, I will help. Please a movement.

USER: Sure.

ASSISTANT: May I know your name please.

USER: I am Mark Hernandez.

ASSISTANT: Sorry, I did not find your name in our records of reservation.

USER: Ok, no issues. Thanks for your quick response.

ASSISTANT: Thank you for connecting with our agency.