You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I help you?

USER: Please provide a ticket to Las Vegas, NV-LAS from Houston, TX-HOU, for arts and crafts festival.

ASSISTANT: Sure. May I know your travelling dates?

USER: Departure date is 08/25 and 08/27 is my return date.

ASSISTANT: May I know your good name?

USER: I am Larry Robinson.

ASSISTANT: There is a flight 1008 in Delta airline and price 100 with a connection. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: Ok, Your ticket has been reserved.

USER: Thanks.

ASSISTANT: Thank you.