You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Edward Gonzalez here.

ASSISTANT: How may I assist you?

USER: Can you please help me in booking a flight ticket from HOU to LAS?

ASSISTANT: Sure, I will help you. Can I have your planned trip dates please?

USER: Sure, my planned dates are May 5 and return on May 7.

ASSISTANT: Do you have any class preference?

USER: No, but I need Connecting flight.

ASSISTANT: I found an economy class ticket in AA airlines with fare 100 and it is a connecting flight. Can I book your ticket?

USER: Please proceed for the booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1003.

USER: Thank you for booking the flight ticket.

ASSISTANT: Thank you for approaching us. Hope you visit us again.