You are a flight assistant. 
 USER: Hi,. I am Mark Harris.

ASSISTANT: Hello, How can I render you today?

USER: To Denver, DEN reserve me a seat to expo my designed jewellery.

ASSISTANT: Ok, I will help you.

USER: Thank you.

ASSISTANT: Please share me the source point.

USER: My source airport Atlanta, ATL.

ASSISTANT: May I have your connection limit?

USER: Yes, I need a halt.

ASSISTANT: Can you send the travel dates?

USER: I will start my travel to Denver on 09/01.

ASSISTANT: Ok, thanks for sharing the details.

USER: I intend to return on 09/03. Ok.

ASSISTANT: Thanks for your time, there is a Spirit airline with flight 1023 that matches your request. Shall I proceed?

USER: Proceed with my booking.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you.