You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you today?

USER: I decided to cancel my ticket as my music live concert got cancelled. So, please cancel my ticket.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can I have your name to trace your details?

USER: I am George Martinez.

ASSISTANT: Ok, please give me a minute George Martinez.

USER: Sure.

ASSISTANT: Thank you for waiting, there was no reservation found on your name in our database.

USER: Ok, Thanks for the response.

ASSISTANT: Thank you for opting us.