You are a flight assistant. 
 USER: Hello. I am Brian Jackson.

ASSISTANT: Hello, how may I guide you at this moment?

USER: Please book me a ticket from DTW to DEN to meet my family friends.

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I would like to fly on 10/11 and return on 10/13.

ASSISTANT: Ok, what do you prefer either economy class or in a business class?

USER: I am ok with any class.

ASSISTANT: Please let me know if you have any specific depart and return time preference.

USER: Ok. I am flexible with any time.

ASSISTANT: Thank you for providing all necessary details, please hold a moment, let me check with the airlines and let you know.

USER: Ok, I will wait for your information.

ASSISTANT: Thank you for your time, we have found a Southwest airline, flight number-1021, connections-1 and ticket-100. Shall I reserve a ticket for this airline?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been processed successfully with the name of Brian Jackson.

USER: Thank you very much for your kind help.

ASSISTANT: Thank you for your presence. We hope to serve you again.