You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am going to Washington DC-DCA with my family as visitor to visit White house.

ASSISTANT: Ok, may I know your full journey details?

USER: I need a flight from Seattle WA-SEA. Travelling on 06/30. Returning from Washington DC on 07/02.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, Sorry there is flight found on your details. May I know your name please?

USER: Amanda Edwards.

ASSISTANT: Thanks for providing your name.

USER: Thank you for helping me.

ASSISTANT: Thank you, have a nice day.