You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Can you please assist me with my flight ticket modification process that I am unable to travel the trip?

ASSISTANT: Sure, I will help you. Please provide the name on which ticket was reserved.

USER: Thank you for considering my request and my name is Samantha Wilson.

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

USER: Not a problem with that one, thank you for your information.

ASSISTANT: You are welcome, have a nice day.