You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to cancel my reservation as I am leaving for delegates meet, can you please help me out?

ASSISTANT: Sure, may I know your name to cancel the ticket?

USER: Brenda Rodriguez here.

ASSISTANT: Wait a while, kindly.

USER: Sure.

ASSISTANT:  Sorry, there is no reservation found for the user name in our back end to cancel it.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for opting us.