You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kimberly Carter.

ASSISTANT: How can I support you today?

USER: I am planning to arrange a party for my family members at Dallas & Fort Worth. Could you please book a ticket to reach DFW?

ASSISTANT: Sure. May I know your travelling dates?

USER: My planned journey dates are from 09/17 to 09/19.

ASSISTANT: Let me know your source code.

USER: Denver, DEN is my origin point.

ASSISTANT: Thanks for waiting, there is a direct flight available.

USER: Ok.

ASSISTANT: Flight number:1010, airline: Delta, price 600.

USER: I can afford only 500. Please do not proceed.

ASSISTANT: Ok.

USER: Thank you for your response.

ASSISTANT: Thank you.