You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I have reserved a ticket to meet my friend but suddenly it got postponed. So please help me with changing my reservation.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Dorothy Baker.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for being patient, there is no active reservation found on your name.

USER: Oh! It may not be booked properly due to server issues while booking. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us.