You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I had an urgent meeting with foreign delegates on my planned journey. Can you help me in changing my existing reservation?

ASSISTANT: Sure, can I have your name to check your reservation status?

USER: Please check the status with name Kevin Lee.

ASSISTANT: Kevin, there is no reservation found under your name in our recordings.

USER: Ok, that's fine, anyways thank you for the information.

ASSISTANT: Most welcome, thank you for reaching us.