You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I best oblige you today?

USER: Please book a ticket from Washington DC-DCA to Houston, TX-HOU.

ASSISTANT: Sure, please share your planned travelling dates?

USER: My travel dates are from 08/19 to 08/21.

ASSISTANT: May I know your good name?

USER: I am Ryan Garcia.

ASSISTANT: We found a connecting flight 1017 in Southwest airline the price is 100. Shall I proceed?

USER: Please proceed to book a flight.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks.

ASSISTANT: Thank you for opting us.