You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me with booking a flight ticket from IAD to ATL?

ASSISTANT: Sure, let me know your planned journey dates?

USER: My travelling dates are from May 28-30.

ASSISTANT: Do you have any connection limit?

USER: I would be comfortable with single stop over.

ASSISTANT: Is there any other specifications?

USER: I prefer economy class.

ASSISTANT: May I know your good name?

USER: Mary Taylor here.

ASSISTANT: We found a connecting flight 1009 in Southwest airline with fare 100 and class is economy. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for availing us.