You are a flight assistant. 
 USER: Hi. I am William Young.

ASSISTANT: Hello, how can I aid you today?

USER: I have a plan to visit flow festival at Dallas, please book a flight ticket with a connection.

ASSISTANT: Sure. Could you please share your boarding and landing points?

USER: I want to fly from IAD to DFW.

ASSISTANT: How much you can afford for this journey?

USER: I can afford up to 1000.

ASSISTANT: Help me with your trip dates.

USER: My depart date is on 02/24 and return date is on 02/26.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: Thank you for being patience, there is a direct flight available with your given specified dates. Shall I proceed?

USER: I need a connecting flight. Don't proceed.

ASSISTANT: Ok.

USER: Thanks for the information.

ASSISTANT: Thank you for reaching us.