You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Mathew Clark. I will be travelling from SEA to LAS for a political conference.

ASSISTANT: May I know your travelling dates?

USER: My planned dates for the trip are 01/04 to 01/06. Make sure if the connection is 0.

ASSISTANT: Sorry, there are no flights with your connection.

USER: I only need a direct flight, thank you for assisting me.

ASSISTANT: Welcome.