You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I need to cancel my reservation as I am not able to make my trip. Can you please help me with that?

ASSISTANT: Sure, I am here to help you out.

USER: Thank you for considering my request.

ASSISTANT: May I know your name please?

USER: Sure, my name is Kimberly Thomas.

ASSISTANT: Kimberly Thomas, we haven't found any reservation under your name in our database.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for choosing us.