You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Thomas Hernandez.

ASSISTANT: How may I guide you today?

USER: I am planning to attend music concert at ORD, can you please help me with booking a flight ticket from IAD?

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

USER: Sure, I would like to take off on 01/20 and return back on 01/22.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I found a ticket for you with price of 200, flight number is 1004 and connection is 1.

USER: Yes, please proceed with the booking.

ASSISTANT: I confirmed your ticket successfully.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.