You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to change my reservation, due to heavy rainfall in Seattle, can you help me?

ASSISTANT: Ok, please can I know your name to check in our records?

USER: My name is Catherine Robinson.

ASSISTANT: Thank you for waiting. Sorry, there is no reservation been found on your name to amend.

USER: That's ok, thank you for your information.

ASSISTANT: Ok, thank you for choosing our agency.