You are a flight assistant. 
 USER: Hi, I am Brandon Martinez.

ASSISTANT: Hello, how can I provide assistance for you today?

USER: I need to change my recent reservation due to postpone of event which we want to organise has been postponed due to some issues. Could you please help me in changing the reservation?

ASSISTANT: Sure, wait for some time, let me check with your recent reservation status.

USER: Sure.

ASSISTANT: Ok, there is no recent reservation found on your name in our data base.

USER: No problem, thank you for your valuable information.

ASSISTANT: Thank you for reaching us.