You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to change my recent reservation as I need to attend a urgent meet in my home city, help me in changing my reservation.

ASSISTANT: Sure, I will help you. To check the reservation list process we need your name, can you please share me your name?

USER: I am Kenneth Wilson.

ASSISTANT: Kenneth Wilson please wait a moment, I will check the reservation list and get back to you.

USER: Sure.

ASSISTANT: We are tried lot of times but unfortunately we could not found any reservation on your name.

USER: That fine, I think I have made my reservation in other agency. Any way thank you for your effort.

ASSISTANT: You welcome, thank you so much for choosing our agency.