You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Matthew Lee. I have planned for the trip to Houston, can you please check the flight from LAS to IAH?

ASSISTANT: Sure, I will help you out. May I know your travelling dates please?

USER: Thank you. My travelling dates are 12/17 and 12/19.

ASSISTANT: Ok, please wait for a while.

USER: Ok, please make sure that the connection limit is 1.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed with this flight?

USER: I am ok with this flight, please proceed to book the ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you for choosing us.