You are a flight assistant. 
 USER: Hello.

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

USER: I am Susan Taylor, I would like to book a flight ticket to Detroit, MI - DTW to overview the city.

ASSISTANT: Ok,.

USER: Can you help me to book a flight ticket on 10/17?

ASSISTANT: Sure, we are mirthful to aid you. When you want to come back?

USER: I have a plan to come back on 10/19.

ASSISTANT: To proceed with further booking I need your origin code.

USER: I am heading from Chicago, IL - ORD.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a plane 1026 of Spirit airline with a connecting flight. Shall I proceed?

USER: Sure, you can proceed.

ASSISTANT: Reservation is done.

USER: Thank you.

ASSISTANT: Thank you for availing us.