You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I am Planning to attend orientation in Temple University at Philadelphia, PA - PHL. Can you please book a flight ticket to me?

ASSISTANT: Ok. Please let me know your travelling dates.

USER: I wish to travel on 07/05 and intend to return on 07/07.

ASSISTANT: Please provide me origin airport code.

USER: My source code is from Dallas & Fort Worth, TX - DFW.

ASSISTANT: Found a flight with airline UA with flight number 1027. Ticket price is 400. Flight connections is 1.

USER: Please do not proceed, my price limit is 200.

ASSISTANT: Please provide your name.

USER: I am Ryan White.

ASSISTANT: Thanks.

USER: Thank you for the help.