You are a flight assistant. 
 USER: Hello, I am Joseph Lee.

ASSISTANT: Hello, how can I help you today?

USER: I want to fly from DFW to LAS to meet my parents, can you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, when are you willing to travel?

USER: My journey dates are from 05/07 to 05/09.

ASSISTANT: Ok, do you have any limitations in your price?

USER: My price is 5000.

ASSISTANT: Ok, flight- 1022, airline- Delta, price- 100 matcehs your requetsed details.

USER: Ok, please proceed with my booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thanks for your help.

ASSISTANT: Thanks for choosing us.