You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to change my recent reservation due to some personal work, can you help me with this?

ASSISTANT: Ok, let me know your name so that I can help you easily.

USER: Please check the reservation with the name Nicole Phillips.

ASSISTANT: There is no reservation found with your name, thanks for choosing us.

USER: It's ok. Thanks for your information.

ASSISTANT: Welcome Nicole Phillips.