You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Patrick Campbell. I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket from IAD to ORD?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: I would like to depart on July 27th and return on July 29th.

ASSISTANT: Please wait for a  minute.

USER: Sure, take your time.

ASSISTANT: I found a ticket for you with price of 100, flight number is 1016 and connection is 1. Is it ok for you?

USER: Yes, please confirm the booking.

ASSISTANT: I confirmed your ticket successfully.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.