You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to meet my client in Chicago, can you please help me to book my flight ticket from DCA to ORD?

ASSISTANT: Sure, I am happy to help you. Can you please help me with travelling dates?

USER: Thank you. I have to depart on 07/01 and return back on 07/03.

ASSISTANT: Ok, can you please provide me your name for further process?

USER: My name is Benjamin Collins.

ASSISTANT: Ok, I found a flight Southwest airlines having a connection limit 1 and the ticket fare is 100. Can I proceed with booking?

USER: That's fine, you can book the ticket for me.

ASSISTANT: Sure, I have reserved your ticket with the flight number 1003.

USER: Thank you very much.

ASSISTANT: You are welcome. Thank  you for choosing our travel agency.