You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Susan Wright. I would like to change my reservation that has been booked earlier this week.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: There is no reservation found under your name to do changes in that.

USER: Ok. Thank you for the information.

ASSISTANT: Thank you so much for choosing us.