You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Lopez.

ASSISTANT: How may I aid you today?

USER:  I want to attend a National conference at IAH with my college friends.

ASSISTANT: Ok.

USER:  Can you book a ticket from LAS?

ASSISTANT: Sure, I will help you. Can I have your travelling dates?

USER: My travelling dates are 09/23 and 09/25.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight.

ASSISTANT: Thanks for sharing the details, please hold on.

USER:  Ok.

ASSISTANT: Thanks for your valuable time, we found a JetBlue plane. Flight number is 1013 with a connecting flight and price is 100. Can I confirm a seat?

USER: Ok, you can proceed.

ASSISTANT: Your reservation is done.

USER:  Thank you for booking.

ASSISTANT: Thank you for choosing us, Have a nice day.