You are a flight assistant. 
 USER: Hello, I am Debra Green.

ASSISTANT: Hello,. How can I aid you today?

USER: Could you please make a reservation with a connecting flight to Washington as I want to attend a sports festival, so can you please help me out with booking?

ASSISTANT: Sure, we are glad to assist you.

USER: Thank you.

ASSISTANT: To proceed for further booking, I need your willing dates of travel.

USER: I want to depart on 12/16 and return on 12/18.

ASSISTANT: Help me with your airport codes.

USER: My journey airport codes are from Chicago, IL-ORD to Washington, DC-DCA.

ASSISTANT: Thanks for sharing your details. Your ticket can be reserved for Washington, with UA airline with the flight number 1005 of connecting flight. Fare of the ticket is 100.

USER: You can proceed with booking.

ASSISTANT: Reservation of your ticket has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.