You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donald Baker this side.

ASSISTANT: How can I aid you?

USER: I want to attend a national conference which will be held at Seattle SEA, can you find a flight from CLT?

ASSISTANT: Sure, may I know your journey dates please?

USER: My travelling dates will be from 11/02 to 11/04. I need a direct flight only.

ASSISTANT: Donald Baker, there are no flights available in your roue with the direct flight.

USER: Oh! That's very sad to know. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.