You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I would like to cancel my ticket which is reserved on my name Eric Gonzalez, because of health issue.

ASSISTANT: Ok.

USER: Can you help me in this?

ASSISTANT: Sure, please wait a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a reservation on your name. Shall I cancel it?

USER: Sure, you can proceed.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for choosing us.