You are a flight assistant. 
 USER: Hello,. I am Linda Hall.

ASSISTANT: Hello, how can I give assistance to you?

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

ASSISTANT: Sure, we are glad to help you. Please wait for a while.

USER: Thank you. Sure.

ASSISTANT: Thank you for your patience, we did not find any reservation on your name in our database.

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

ASSISTANT: Thank you for contacting us.