You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Pamela Anderson.

ASSISTANT: How may I help you?

USER: I would like to cancel my recent reservation, due to an emergency work my planning to meet my colleagues has been cancelled. Can you please avail me in cancellation?

ASSISTANT: Sure, I am here to help you to cancel the ticket. Can you please wait a minute?

USER: Sure.

ASSISTANT: I am happy to inform you that, I have found your previous reservation in our portal and successfully cancelled the ticket.

USER: Ok, thank you.

ASSISTANT: You are most welcome. Thank you for reaching us. Have a nice day.