You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Jonathan King here.

ASSISTANT: Nice to meet you King.

USER: I want to book a ticket from DEN to HOU for a birthday function.

ASSISTANT: That's nice King, I will help you with that. On which dates do you like to travel?

USER: My travelling dates are from 02/07 to 02/09.

ASSISTANT: Ok, please give me a moment. Thank you for your patience, I have found a flight 1003 of South West airlines with connection 1. Price is 800. Shall I proceed with booking?

USER: I cant afford such a price, can you provide me the flight ticket with 200 limit please?

ASSISTANT: Sorry King, we can not provide for your price.

USER: That's ok. Thank you for your service.

ASSISTANT: You are welcome, have a good day. Thank you for reaching us.