You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am trying to cancel my recent ticket, can you please help me in cancelling my ticket?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can I have your name to check your reservation status?

USER: My name is Gary Hernandez.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time.

ASSISTANT: Sorry Gary Hernandez, no reservation has found under your name to cancel.

USER: It's ok, thank you for searching.

ASSISTANT: Thank you for choosing us, have a great day.