You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Benjamin Miller. I want to change my ticket reservation that when I am booking a ticket it show with a two connecting flight but now it got emergency and I need a connecting flight to travel, so can you please help me in changing my recent ticket booking?

ASSISTANT: Sure Miller, please wait a moment.

USER: Sure.

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

USER: That's fine.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your quick response.