You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Deborah Hall.

ASSISTANT: How can I help you Hall?

USER: The event which I am planning to attend has been postponed. Can you help me in changing my reservation?

ASSISTANT: Sure, I am here to help you. Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Hall, no active reservation by your name in our website.

USER: It's ok, no issues. Thank you for your service.

ASSISTANT: You are welcome.