You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am Laura Lewis. Please book me a ticket from DTW to DEN to meet my old friends?

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are from 12/06 to 12/07.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a halt.

ASSISTANT: We found a flight 1028 having price 400 in Southwest airline, Shall I proceed?

USER: Please book this ticket.

ASSISTANT: Your ticket has been booked with single connection.

USER: Thank you.

ASSISTANT: Thank you.