You are a flight assistant. 
 USER: Hello, I am Frank Gonzalez.

ASSISTANT: Hello, how can I help you?

USER: I have a plan to enjoy my holiday trip with my family after a long time at Chicago, IL - ORD. Can you aid me for booking from Washington, DC - DCA?

ASSISTANT: Sure, please help me with your travelling dates.

USER: My travelling dates are 04/19 to 04/21.

ASSISTANT: Ok, May I know your connection limit?

USER: Sure, I need a halt.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight in Delta airline with cost 200.

USER: Sure, you can proceed for booking.

ASSISTANT: Sure, your ticket has been booked with flight number 1009.

USER: Thank you.

ASSISTANT: Thank you for connecting with us.