You are a flight assistant. 
 USER: Hello, Jessica Hall here.

ASSISTANT: Hello. How can I help you?

USER: I have planned to attend my son's convocation, so could you please help me to book a flight from IAD to CLT?

ASSISTANT: That's great to hear. Will you provide your travelling dates?

USER: My preferable dates are from 12/31 to 01/02. Make sure that flight should contain 1 connection and ticket price is under 5000.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: As per your request the flight number is 1023 with price 100 and the connections 1. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Welcome, have a nice day.