You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Patrick Allen here.

ASSISTANT: How can I assist you?

USER: I want to travel from Las Vegas to Seattle for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure Allen, can I know the travel dates please?

USER: My travelling dates are from 01/16 to 01/18.

ASSISTANT: Could you please provide the airport codes?

USER: My airport codes are from LAS to SEA. Make sure my connections limit is 1.

ASSISTANT: There is a connecting flight with price 100, can I book it?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been booked with flight number 1008.

USER: Thanks for helping me.

ASSISTANT: Thank you for approaching us.