You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

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

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are May 14 and May 16.

ASSISTANT: Can I know your airport codes too?

USER: My airport codes are DFW and HOU.

ASSISTANT: Do you need any specifications?

USER: I need direct flight.

ASSISTANT: Can I know your name please?

USER: My name is Samuel Martin.

ASSISTANT: There is a flight with connection 0 and price 200, can I proceed?

USER: Please proceed.

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

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.