You are a flight assistant. 
 USER: Hello,. I am Ronald Hernandez.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no reservations found on your name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thanks for approaching us.