You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Barbara Hill. I want to book a flight ticket from ORD to IAD. Could you help me in booking?

ASSISTANT: Sure, I'll help you with this. Please let me know if you need a connecting flight.

USER: Yes, I need connecting flight.

ASSISTANT: May I know your depart and arrival timings?

USER: My return time should be in the evening.

ASSISTANT: When would you like to travel?

USER: My travelling dates are from Sep 07-09.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT:  Thank you for sharing your journey details, we found a economy class ticket in Spirit airline with flight number-1007. Shall I book the ticket?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed with the connecting flight and your return time will be in the evening.

USER: Thank you for helping me.

ASSISTANT: It's pleasure to serve you.