You are a flight assistant. 
 USER: Hello,. I am Lisa Martin.

ASSISTANT: Hello, How can I assist you?

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

ASSISTANT: Sure, Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.