You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Kenneth Lopez here. I want to travel from Las Vegas to Houston. Can you please help me to book a flight ticket?

ASSISTANT: Sure Kenneth Lopez, can I have your travel dates please?

USER: My departure date is 08/28 and return date is 08/30.

ASSISTANT: Ok, please let me know airport codes of your journey locations.

USER: My airport codes are from LAS to IAH.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Ok, I will wait.

ASSISTANT: I have found a flight in AA airlines with connections 2 and price 400, is it ok for you?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok Kenneth Lopez, I have reserved a ticket with flight number 1002.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us, have a great journey.