You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Emily Harris. I want to book a flight ticket from CO - DEN to TX - DFW to celebrate my birthday in Dallas & Fort Worth.

ASSISTANT: Sure, can you please share your travel dates?

USER: I will start on 03/05, return on 03/07.

ASSISTANT: Ok, may I know your price limit please?

USER: My price limit is 5000.

ASSISTANT: Thanks for waiting, we found a flight in AA airlines with 1011 flight number having single connection. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Sure, your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.