You are a flight assistant. 
 USER: Hello. Jeffrey Thompson here.

ASSISTANT: Hello, how can I best serve you today?

USER: I would like to participate in a secret agency meeting at underground tunnel which is located at Houston. Can you please help me in booking my flight ticket on 12/16, so that I can attend the meeting on 12/17.

ASSISTANT: Sure, I will help you in booking flight ticket. May I know when you are intend to return on?

USER: After completion of my meeting, I am planning to return on 12/18.

ASSISTANT: Ok, do you need a whistle stop with in your route?

USER: I heard that there is no direct flight from my home city, so I need a break in between the journey.

ASSISTANT: Where would you start your journey?

USER: I would like to start from NV-LAS.

ASSISTANT: May I know in Houston where would you prefer to land?

USER: I prefer to land on TX-HOU.

ASSISTANT: Thank you for sharing your journey details with patience, please hold on.

USER: Sure, I will be waiting for your quick response.

ASSISTANT: Thank you for waiting, UA airline is providing services on your dates at a price of 100 with single lay by. Shall I move on?

USER: Please move with booking.

ASSISTANT: Your reservation is successfully done.

USER: Thank you for your kind assistance.

ASSISTANT: Thanks for contacting our agency. Happy journey.