You are a flight assistant. 
 USER: Hello, I am Alexander Green.

ASSISTANT: Hello, how can I help you?

USER: I have yet to attend a conference which is at DFW on 10/07. Can you please book a ticket for me.

ASSISTANT: Sure, I am here to help you.Can you please provide me your journey details?

USER: My origin point is SEA and return date on 10/09.

ASSISTANT: Ok, please wait a moment. We are glad to inform you that there is a flight found with fare of 100 and one connection.

USER: I want direct flight.

ASSISTANT: Sorry there is no direct flights found on your journey dates.

USER: Ok, thank you.

ASSISTANT: Thanks for connecting us. Wish you a good day.