You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Me and my friends were planned to go for a tour due to holidays, but my holiday is postponed. Can you please change my existing reservation?

ASSISTANT: Sure, we will help you to change your reservation. To proceed further, may I know your name?

USER: My name is Virginia Jones.

ASSISTANT: Please hold on Virginia Jones.

USER: Sure.

ASSISTANT: Thanks for being hold. There was no reservation found on the name of Virginia Jones.

USER: Ok, it's not an issue. Thanks for your information.

ASSISTANT: Thank you for opting us.