You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to cancel my flight reservation as my trip got postponed, can you please help me?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Thank you. My name is Kimberly Thomas.

ASSISTANT: Please allow me a minute.

USER: Ok.

ASSISTANT: Thank you. I have successfully cancelled your previous booking.

USER: Ok, thank you for the help.

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