You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: Will you help me in booking the flight ticket from SEA to DW?

ASSISTANT: I am here to help you about that, can you please provide your planned dates of journey?

USER: My travelling dates are Feb 04 and Feb 06.

ASSISTANT: Do you need connecting flight for your journey?

USER: I need a flight with single connection.

ASSISTANT: Kindly, please make sure your destination airport code.

USER: There is a change in my destination airport codes is DFW.

ASSISTANT: Can you please provide your name for booking purpose?

USER: Myself Gary Rodriguez.

ASSISTANT: Sorry there are no flights which travels to your region on your planned dates of journey Gary Rodriguez.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: You are welcome, thank you for reaching us. Hope you have a nice day ahead.