You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Edward Collins. I want to book a flight ticket from Dallas & Fort Worth TX-DFW and meet my parents in Chicago IL-ORD. Could you please book a plane ticket?

ASSISTANT: Sure, may I know on which dates you would like to travel?

USER: My travelling dates are 06/20 and 06/22.

ASSISTANT: How much can you afford for a ticket fare?

USER: I can afford upto 5000.

ASSISTANT: There is a flight in an airline UA of number 1003  with a price of 200  having a single connection. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your flight ticket is booked.

USER: Thank you for your kind help.

ASSISTANT: Thank you for reaching us. Have a nice day.