You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I assist you for the day?

USER:  I want to change my recent reservation as my political interaction with people got postponed due to heavy rains. Can you help me out?

ASSISTANT: Sure, may I know your good name to check the reservation on your name in our data base?

USER: Amy Lopez, is my name.

ASSISTANT: Thank you for providing your good name, I regret that there is no reservation found on your name. Thank you for availing with us.

USER: Oh! I think the reservation is not done properly. Anyway, Thanks for the information.