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: Sure, may I know your name to check for the previous reservation?

USER: My name is Gregory Nelson.

ASSISTANT: Please allow me a moment while I check for the reservation status.

USER: Sure, take your time.

ASSISTANT: Gregory Nelson, there is no reservation found under your name.

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

ASSISTANT: Thank you for contacting us.