You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Please provide me a flight with single connection.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: Sure, my airport codes are from LAS to MCO.

ASSISTANT: May I know on what dates would you like to travel?

USER: Ok, my journey dates are from July 25 to 27.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Ok, I am Matthew Perez.

ASSISTANT: UA airlines providing a connected flight in economy class.

USER: Please book it for me.

ASSISTANT: Your booking is done.

USER: Thanks for your help.

ASSISTANT: Thank you.