You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Actually, I need to cancel my reservation which is recently done due to health issue.Can you please help me out?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your good name?

USER: Sure, my name is Joshua Perez here.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thanks for your time, there is a reservation found in your name. Shall I proceed to cancel it?

USER: Yes, you can cancel it.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.