You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you at this moment?

USER: I would like to book a flight ticket form IL to attend a robotic workshop in Denver. Could you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, I am ravish to help you. Ok, when would you like to depart and return?

USER: Sure, I intend to depart on Apr 7th and I'll return within two days that is on Apr 9th.

ASSISTANT: Ok, share your class preference.

USER: I am comfortable with any kind of class.

ASSISTANT: Ok, can you please share your source and destination airport code?

USER: My boarding airport code is ORD and my destination airport code is DEN.

ASSISTANT: May I know do you have time preferences?

USER: I want to depart from Chicago in the afternoon.

ASSISTANT: We found a Southwest Airlines with fare of 100 and a economy class with connecting flight matches your schedule.

USER: That's perfect, you can proceed with the booking.

ASSISTANT: To proceed further I need your good name please?

USER: I am Dorothy Harris.

ASSISTANT: Your ticket has been confirmed with flight number 1005 and return in the afternoon.

USER: Thank you for your support in the booking.

ASSISTANT: Thank you for reaching us.