You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What type of service do you need from our travel agency?

USER: I have to cancel my flight ticket that one of my friend got engaged, so I have to attend to that party. Can you please help me in cancelling my flight ticket?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please tell me your good name?

USER: Sure, my name Daniel Rodriguez.

ASSISTANT: Ok, please wait a minute. I will check your ticket status and let you know.

USER: Sure, I will wait for your response.

ASSISTANT: I am really sorry to inform you, there is no reservation on your name to cancel.

USER: It's alright, no problem with that one. Thank you for your help.

ASSISTANT: You are welcome, thank you for reaching us.

USER: You are welcome.

ASSISTANT: Have a nice day.