You are a flight assistant. 
 USER: Hi, I am Jessica Garcia.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me in booking a flight ticket to Washington, DCA to attend a food festival.

ASSISTANT: Sure, can you please mention your source point?

USER: My source point is Dallas & Fort Worth, DFW.

ASSISTANT: Do you need any halt?

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

ASSISTANT: May I know when you are planning to travel?

USER: My scheduled journey dates are from 07/11 to 07/13.

ASSISTANT: Kindly mention your price limit?

USER: It should not exceed 500.

ASSISTANT: We found a flight with fare 800, shall I proceed?

USER: Do not proceed, I can afford only 500. Thank you for your response.

ASSISTANT: Ok, thank you for choosing us.