You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Can you please tell me, what I have to do for you?

USER: I am Jason Jones here, I want to reserve my ticket within the price limit of 500, can you please help me out?

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, my dates of journey is from 12/22 to 12/24.

ASSISTANT: Can you please let me know your travelling airport codes?

USER: Ok, my respective airports codes are from AUS to DEN.

ASSISTANT: Can you please let me know that, do you want any connection limit in between your journey?

USER: Please proceed with this ticket booking. Yes, I want a connecting flight.

ASSISTANT: I am really sorry for this, I did not find any flight with 1 connection.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for reaching our agency.