You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am George Roberts.

ASSISTANT: Ok.

USER: I made a earlier reservation to go for a trip with my friends, due to some problems it got postponed. Can you please change my reservation?

ASSISTANT: Sure, please stand by.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform no reservation found on your name.

USER: Ok, no issue.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you.