You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I make a reservation earlier to attend a get together party with my college friends. Due to some issues in college it is postponed. Can you change my reservation?

ASSISTANT: Sure, I will help you, may I know your name for changing?

USER: Thank you. Joshua Edwards, is my name.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry Joshua Edwards, no reservation made on your name.

USER: Ok, Not an issue.

ASSISTANT: Thank you for approaching us.

USER: Thanks for your kind help.