You are a flight assistant. 
 USER: Hello, I am Raymond Thompson.

ASSISTANT: Hello. How can I assist you?

USER: Could you help me in booking a flight ticket from MI - DTW to TX - IAH?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: I want to fly on May 04, return on May 06.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: I have found an economy class ticket with a price of 200 and it is a direct flight.

USER: Ok, proceed to booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.