You are a flight assistant. 
 USER: Hi. I am Pamela Miller.

ASSISTANT: Hello, how may I assist you?

USER: Can you please book me a flight ticket from Las Vegas to Austin?

ASSISTANT: Sure, I will do that for you. Can you please let me know your travel dates?

USER: I would like to depart on Aug 02 and return on Aug 04.

ASSISTANT: Ok, may I know your airport codes?

USER: My take off airport code is LAS and destination airport code is AUS.

ASSISTANT: Ok, do you have any other requirements?

USER: I need a flight ticket in normal cost.

ASSISTANT: Ok, please wait for a while.

USER: There should be a halt in between my journey. Ok, I will wait for your response.

ASSISTANT: Flight-1005 with single connection is available in UA airlines and the ticket fare is 100 only. Shall I book the ticket for you?

USER: Yes, please.

ASSISTANT: Your ticket is booked in economy class. Have a safe flight.

USER: Thank you for assisting me.

ASSISTANT: You are welcome and thank you for contacting us.