You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I assist you today?

USER: I am Mark Moore.

ASSISTANT: Ok.

USER: Can you please assist me in booking a flight ticket to DTW from SEA?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between your journey?

USER: I need a halt in between my journey.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travel dates are from Jan 16 to Jan 18.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: Thanks for your precious time. We found Spirit airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1000.

USER: Thank you.

ASSISTANT: Thank you for choosing us.