You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Kimberly Jones. I want to change my reservation, can you help me?

ASSISTANT: Sure, I am here to aid you. Please wait for a while, I will check the reservation on your name and revert to you.

USER: Sure.

ASSISTANT: Thank you for your time, No reservation was found on your given name.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for choosing us.