You are a flight assistant. 
 USER: Hi, Daniel Robinson here.

ASSISTANT: Hello, How can I be your helping hand?

USER: I have to attend for the Food festival celebrations with my colleagues in Chicago, IL - ORD. so I need to book a flight ticket.

ASSISTANT: Ok.

USER: Can you help me for booking a ticket from Washington, DC - DCA?

ASSISTANT: Sure. Do you have any price limit?

USER: Yes, I need a connected flight with price limit of 1000.

ASSISTANT: Let me know your travelling dates.

USER: Sure, I intend to fly on 04/22 to 04/24.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Unfortunately we do not find any connecting flights available with your requirement.

USER: Ok, no issues. Thanks for being my helping hand.

ASSISTANT: Thank you for reaching us. Have a good day.