You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today/.

USER: Can you please help me in finding a direct flight to Houston?

ASSISTANT: Sure, may I know your travel dates?

USER: I would start on Dec 15 and return on Dec 17.

ASSISTANT: Ok, can you confirm your planned airport codes?

USER: I am heading to HOU from ATL to participate in NBA tournament.

ASSISTANT: Do you have any limits on number of connections?

USER: I already mentioned that I need a direct flight.

ASSISTANT: Sure, do you have any another specifications on your journey?

USER: No.

ASSISTANT: May I know your name for the booking process?

USER: I am Raymond Williams.

ASSISTANT: Delta Airlines providing a flight with the price 100 with 0 connection. Can I proceed for the booking.

USER: Fine, please proceed.

ASSISTANT: Your ticket reservation done with the flight number 1004.

USER: Thanks fro your service.

ASSISTANT: Welcome, thank you for reaching us.