You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you?

USER:   I would like to change my recent reservation due to emergency work my golf event has been changed. So can you please help me with that?

ASSISTANT: Sure, I can do that for you. Let me check your reservation status. Could you help me with your name?

USER: Ok, sure please check my reservation and for easy search. I have reserved my flight ticket with name Sarah Edwards.

ASSISTANT: Sarah, I have not found any reservation by your name in our database.

USER: Ok, fine not an issue. Thank you for checking.

ASSISTANT: You are welcome and thank you very much for contacting us.