You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you at this moment?

USER: Patrick Young here. My basketball match has been postponed, so I want to reschedule my itinerary dates.

ASSISTANT: Sure, I am here to help you. Please, forward me your name to check your reservation status.

USER: I mentioned my name.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.