You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carolyn Smith.

ASSISTANT: How can I help you today Mr.Smith?

USER:  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: Ok, will help you with that. Please wait a moment I will come back to you with the active reservation status.

USER: Sure, take your own time.

ASSISTANT: Sorry Carolyn Smith, there is no reservation been found on your name in the records.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for availing our service.