You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I would like to change my reservation as I am leaving for hometown, can you please help me out?

ASSISTANT: Sure, I am happy to help you to change the ticket details once I have found your ticket. Can I know your name please?

USER: Anna Robinson here.

ASSISTANT: Ok, wait for some time I will check the reservation on your name and get back to you.

USER: Sure.

ASSISTANT: We are sorry to say that, there is no active reservation found on your name.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thanks for contacting us, wish you a great day.