You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I want to go to Chicago in this month so can you please help me in flight ticket booking process from DCA to ORD?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Thank you for your response, I want to take off on Mar 18 and book my return ticket also on Mar 20.

ASSISTANT: Do you have any preferences?

USER: I need 1 break in between my journey.

ASSISTANT: There is a connecting flight available with Frontier airline, shall I proceed?

USER: That's fine, please confirm this flight ticket for me.

ASSISTANT: May I know your name?

USER: Sure, my name is Rebecca Robinson.

ASSISTANT: Your booking is done with flight number 1008.

USER: Thank you for your service.

ASSISTANT: You are welcome, have a nice day.