You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I assist you today?

USER: I am Jack Rodriguez.

ASSISTANT: Ok.

USER: Can you please cancel my reservation, due to cancel of my trip with friends?

ASSISTANT: Sure, will you please give me a moment?

USER: Sure.

ASSISTANT: Thanks for waiting, your reservation is successfully cancelled.

USER: Ok, thank you for cancelling my ticket.

ASSISTANT: Welcome, have a great day.