You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you search for direct flight from DFW?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 02/16 to 02/18.

ASSISTANT: Can I know your destination airport code?

USER: My destination airport code is SEA.

ASSISTANT: Sorry, there is no flight available and can I know your name?

USER: Myself George Robinson. Most welcome.

ASSISTANT: Ok, thank you for approaching us.