You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi. How can I help you?

USER: Myself Brian Roberts. I want to cancel my recent reservation due to not feeling well. Could you help me?

ASSISTANT: Ok, just a second please.

USER: Ok.

ASSISTANT: Is there any other dates you want to reserve?

USER: No.

ASSISTANT: Your reservation is canceled.

USER: That's fine.

ASSISTANT: Thank you.

USER: Thank you.