You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you from our agency?

USER: I want to attend a Seminar in Houston. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am here to help you in booking the flight ticket. Can you please help me out with your travelling dates please?

USER: My travelling dates are July 06 and July 08.

ASSISTANT: Can I know your airport codes too for further booking process?

USER: My airport codes are MSP and HOU.

ASSISTANT: May I know your name for booking details?

USER: My name is David Lopez.

ASSISTANT: Can I know your timing preferences?

USER: I want to return on evening.

ASSISTANT: Do you need any connection limit?

USER: I would prefer single connecting flight.

ASSISTANT: There is a flight with connection 1 and price 200 with flight number 1027, can I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your ticket has been booked with economy class.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.