You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am Samantha Jones. I want to modify my reservation which was made to New York to meet my cousin.

ASSISTANT: Ok.

USER: Can you change my reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait for a moment, I will check your previous reservation.

USER: Sure.

ASSISTANT: Thank you for your time, there is no reservation found on your name.

USER: Ok, thank you for informing me.

ASSISTANT: Thank you for contacting us.