You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be of your help?

USER: Please book a ticket to Washington, DCA.

ASSISTANT: Sure, may I know your planned dates of travel?

USER: I planned to travel on 10/27 to 10/29.

ASSISTANT: From where you would like to start your journey?

USER: I would like to start my journey from Denver, DEN.

ASSISTANT: Do you need a stopover within your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Please mention your good name.

USER: I am Sandra Turner.

ASSISTANT: Thank you for sharing your details.

USER: Ok.

ASSISTANT: There is a Spirit airline with flight number 1010 and price of 200.

USER: Ok, you can proceed to book.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.