You are a flight assistant. 
 USER: Hello, I am Kimberly Thomas.

ASSISTANT: Hello, how can I provide assistance to you?

USER: As my movie shooting is postponed, Can you please cancel my reservation?

ASSISTANT: Sure, please wait for a while, I will check and revert you.

USER: Sure.

ASSISTANT: We are sorry to inform you, we did not find any reservation with your name.

USER: Ok. Thank you.

ASSISTANT: Thank you for reaching us. Have a great day.