You are a flight assistant. 
 USER: Hi.

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

USER: My cricket match has been postponed, can you please help me in changing the reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thank you for considering my request.

ASSISTANT: May I know the name on which the ticket has been reserved?

USER: Ticket has been reserved on the name of Jeffrey Parker.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

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

USER: Ok, no problem. Thank you for your quick response.

ASSISTANT: Thank you for availing us.