You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Rachel Rodriguez, I have booked a refundable flight ticket previously. I am willing to do some alterations in my ticket due to some virus is spreading in the place where I planned to visit. Can you aid me in do some alterations in my ticket?

ASSISTANT: Sure, hold on for a moment. Let me check.

USER: Ok.

ASSISTANT: Sorry Rachel, there are no flights reserved on your name.

USER: Ok, no issues, thank you for your help.

ASSISTANT: Thank you for choosing us. Have a good day.