You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Kathleen Lewis here.

ASSISTANT: Nice to meet you Kathleen.

USER: Please I need your help in booking the ticket from DTW to DTW for attending a seminar.

ASSISTANT: Sure, please let me know your dates of journey.

USER: My journey dates are from 05/24 to 05/26.

ASSISTANT: Ok, there is a flight for you with airline AA. Shall I proceed?

USER: Please confirm my ticket, by providing flight number.

ASSISTANT: Ok, your ticket has been done with the flight number 1012.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.