You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

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

ASSISTANT: Ok, I am here to help you with that. Can I know your planned trip dates?

USER: My travelling dates are July 26 and July 28.

ASSISTANT: May I know your good name?

USER: Dennis Harris.

ASSISTANT: Do you have any other requirements?

USER: I prefer single connecting flight.

ASSISTANT: Ok, please wait for a minute.

USER: Ok, I will wait.

ASSISTANT: The Southwest airlines are providing a flight having a connection limit 1. Can I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your flight ticket is confirmed in an economy class and the flight number 1020.

USER: Thanks for helping me.

ASSISTANT: Thank you for consulting us.