You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Linda Allen. I would like to meet my friend at Washington, will you help me in booking the light ticket from ORD to DCA?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My preferable journey dates are 11/22 and 11/24.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: I have found a direct flight 1024 of Delta airlines, shall I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok your booking is done.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have a nice journey.