You are a flight assistant. 
 USER: Hello, Amanda Phillips here.

ASSISTANT: Hello, how can I aid you for the day?

USER: Due to the bad weather, the match has been postponed. Can you help me out in changing my existing reservation?

ASSISTANT: Sure, we are here to serve you. Please wait a moment I will check the reservation status and get back to you.

USER: Sure.

ASSISTANT: Sorry to say that no reservation found on your given name.

USER: Thanks for the response.

ASSISTANT: Thank you for choosing our service. Have a nice day.