You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please book the ticket from DEN to ATL? As I need to attend an interview.

ASSISTANT: Can you share your trip dates?

USER: Sure, I would like to depart from my source location on 22nd April and I want to return back by 24th April.

ASSISTANT: Do you need any connections?

USER: I prefer single connected flight.

ASSISTANT: Are there any other preferences?

USER: I want economy class ticket in normal-cost airlines.

ASSISTANT: May I know your name?

USER: My name is Mary Young.

ASSISTANT: Connecting flight number 1001 with price 200 in economy class is available. Is it ok?

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

ASSISTANT: Your ticket is booked.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.