You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this time?

USER: Myself Scott Edwards. Due to some urgent business meeting, I am going to change my reservation. Can you please help me for this?

ASSISTANT: Sure, I am happy to help you in ticket modification. Please wait for a while to check it.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, there is no reservation found for the user name in our previous booking list.

USER: Not a big deal, anyway thank you very much for your kind service.

ASSISTANT: You are most welcome and have a nice day.