You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for  the day?

USER: I want to attend a board meeting at Houston, so can you please book a ticket with the fare of 5000?

ASSISTANT: Sure, may I know your journey dates please?

USER: I am willing to start on 08/12 and return on 08/14.

ASSISTANT: Kindly assign your journey points with airport codes?

USER: I would like to start from Detroit, MI-DTW to Houston, TX-IAH.

ASSISTANT: May I know your name please?

USER: My name is Sharon Nelson.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found  a flight with Delta airlines, flight number 1003, 1 stopover with the price of 100. Shall I proceed to booking?

USER: Please proceed with my booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your quick response.

ASSISTANT: Thank you for opting us.