You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Rebecca Rodriguez here. I was made a reservation earlier in this week. But I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, please wait a minute.

USER: Ok, I will wait.

ASSISTANT: Your reservation is cancelled successfully.

USER: Thanks for helping me.

ASSISTANT: Most welcome.