You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: I need to attend a seminar in my college at Charlotte, can you please book a ticket for me?

ASSISTANT: Sure, may I know your corresponding airport codes?

USER: I am heading to Charlotte, CLT from Houston, HOU.

ASSISTANT: Ok, please share your travelling dates?

USER: I want to start on 02/04 and return back on 02/06.

ASSISTANT: Do you need any lay over in between the journey?

USER: Yes, I need a layover in between my journey.

ASSISTANT: Ok, can I know your price limit?

USER: My price limit is 1000.

ASSISTANT: We found a UA airline with fare of 100 and a halt in between the journey matches your travelling schedule. Shall I proceed with booking?

USER: Yes, proceed.

ASSISTANT: To proceed with booking a flight ticket I need your good name please?

USER: My name is Jason Perez.

ASSISTANT: Your ticket has been confirmed with flight number 1001.

USER: Thank you.

ASSISTANT: Thank you for reaching us.