You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have to change my reservation due to  my planned event got  postponed. So  please help me with that.

ASSISTANT: Sure, I am here to help you out.

USER: Thank  you.

ASSISTANT: Can you please share your name?

USER: Sure, please check  the  reservation with my name Scott Perez.

ASSISTANT: Wait a moment please.

USER: Sure, take your time.

ASSISTANT: Scott Perez, we haven't found any reservation under your name in our database.

USER: Oh! It  may not be booked  properly due to server issues while  booking. Anyway, thank you for  your time.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.