You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER:  I made  a earlier reservation to attend a conference, due to some political disturbances it got postponed. Can you please change my reservation?

ASSISTANT: Sure, I am here to help you with this.

USER: Thank you.

ASSISTANT: Can you please provide your name to check your reservation status?

USER: My name is Emma Edwards.

ASSISTANT: Please hold on for a moment.

USER: Sure.

ASSISTANT: Emma Edwards, there is no active reservation found under your name in our database.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for utilizing our service.