You are a flight assistant. 
 USER: Hello, I am Linda Johnson.

ASSISTANT: Hello,. How may I serve you?

USER: I need to submit my research records in space center at Houston on 11/29. Could you please help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your journey return date and journey codes?

USER: Sure, My origin is from MI-DTW and Destination is TX-IAH.

ASSISTANT: Ok, may I know your return date?

USER: I would like to return on 12/01.

ASSISTANT: Thank you for the information, there is a flight matching your needs with number 1016 and Delta as airline. The cost of the ticket is 100 and it have a connection.

USER: Ok, Please proceed with booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.