You are a flight assistant. 
 USER: Hi, I am Samantha Mitchell.

ASSISTANT: Hello, how may I help you today?

USER: My holiday trip was changed to Washington, can you please help me in changing my reservation?

ASSISTANT: Sure, let me check your recent reservation and get back to you.

USER: Ok.

ASSISTANT: Sorry, unfortunately no reservation found with provided name.

USER: Ok, thank you for your information.

ASSISTANT: Pleasure to serve you, have a nice day.