You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

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

ASSISTANT: Ok, please share your travelling dates with me to check with the availability for you. Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation was found by your name. Sorry for the inconvenience.

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

ASSISTANT: Have a nice day.