You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I want change my reservation as in new reservation I want a direct flight for my journey. Can you help me to change my reservation?

ASSISTANT: Sure, hold on a minute.

USER: Sure.

ASSISTANT: To proceed further may I know your name?

USER: Sure, my name is Gary Edwards.

ASSISTANT: No reservation found on your name.

USER: No problem, thanks for your help.

ASSISTANT: Thank you for opting us.