You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you now?

USER: Please book a ticket from Denver, CO-DEN to Chicago, IL-ORD for attending a sports event.

ASSISTANT: Sure, I will help you with booking. May I know your planned journey dates?

USER: My journey dates are from 07/29 to 07/31.

ASSISTANT: Do you need any halt in between the journey?

USER: Please provide a halt.

ASSISTANT: Thank you for the details, please wait for a moment. Thank you for waiting, Sorry there is Frontier flight with couple of connection. Do you like to travel on flight 1009?

USER: Please do not book ticket.

ASSISTANT: Ok.

USER: Thanks for the assistance. I am John Gonzalez.

ASSISTANT: Thank you for reaching us, we hope see you again.