You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Is there any reservation on your name?

ASSISTANT: I have checked with your name, there is no reservation on our data base. Thank you for reaching us.