You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. My job is to solve your concern, may I know your issue related to flight reservations?

USER: I am George Allen from Boston and I want to book the flight ticket from BOS to DFW.

ASSISTANT: Ok, please can I know the dates of your journey to book a flight ticket?

USER: My journey dates are 03/24 and 03/26.

ASSISTANT: May I know your budget you have planned for this journey?

USER: I can afford 200 only.

ASSISTANT: Sorry, there is no flight ticket available as per the airfare mention.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for choosing our agency.