You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I assist you today?

USER: As my visa has been cancelled due to some technical issues, I want to cancel my reservation.

ASSISTANT: Ok. Let me know your name for further process.

USER: Please cancel my ticket on the name of Rebecca Gonzalez.

ASSISTANT: Sure, we are here to aid you. There is a reservation found on your name. Shall I proceed for cancellation?

USER: Sure.

ASSISTANT: Your ticket has been cancelled.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.