You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Lisa Gonzalez.

ASSISTANT: How may I assist you?

USER: I am moving to my new college this week, so I can not make the journey I planned and booked the ticket. Can you cancel?

ASSISTANT: Sure, I will help you.

USER: Ok, thank you.

ASSISTANT: Lisa, no reservation has been found on your name in our database.

USER: Ok, not a problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.