You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in changing my existing reservation, as my football match got postponed to some other date.

ASSISTANT: Sure, I am here to help you with that concern. Can I have your name please?

USER: Please check the reservation on the name of Thomas Scott.

ASSISTANT: Thank you for providing your name, please wait for a moment.

USER: Sure.

ASSISTANT: Thomas Scott, no reservation has been found on your name in our records.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us.