You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: My name is Samantha Roberts. Can you please check is there any reservation found with my name? If any reservation found, please cancel the reservation.

ASSISTANT: Please wait a moment I will check and and get back to you.

USER: OK, I will wait.

ASSISTANT: Thanks for waiting, Your reservation is cancelled.

USER: Thank you for your great help.