You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Anthony Lee this side. I'd like to re modify an existing reservation due to heavy rain.

ASSISTANT: Ok, wait for some time.

USER: Sure, please take your time.

ASSISTANT: There was no reservations found on your name.

USER: Ok. Thank you for the information.

ASSISTANT: Thanks for connecting us.