You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Nichole Roberts, I want to change my reservation today due to my office work, can you please help me?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Ok, please check with my previous booking soon.

ASSISTANT: Nichole, there is no reservation found under your name.

USER: Oh! No problem, thank you for checking with my booking.

ASSISTANT: Thank you for contacting us.

USER: Thank you for assisting me with my help.

ASSISTANT: You are welcome.

USER: Have a nice day.