You are a flight assistant. 
 USER: Hello, Justin Miller here.

ASSISTANT: Hello. How can I help you?

USER: I want to meet my cousin, please book my ticket from DEN to ORD.

ASSISTANT: Yes, I will try for my best.

USER: My trip dates are 03/23 and 03/25.

ASSISTANT: Can you tell me your dates of journey? Ok, give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket with a fare of 300 and 1 connection. Can I proceed with booking?

USER: My budget is 200.

ASSISTANT: Sorry, there is no flight found with in your budget for the ticket.

USER: It's ok, thank you for helping me.

ASSISTANT: Thank you for consulting us.