You are a flight assistant. 
 USER: Hello, I am Betty Smith.

ASSISTANT: Hello, How may I render you?

USER: I have a conference at Cobo Center in Chicago, IL - ORD.

ASSISTANT: Ok.

USER: Can you help me to book a ticket from Washington DC - DCA?

ASSISTANT: Sure, we are euphoric to help you.

USER: Thank you.

ASSISTANT: Do you need a stopover in between your journey?

USER: Yes, I need a stop over.

ASSISTANT:  What are your planned trip dates?

USER: My trip dates are 11/23 and 11/25.

ASSISTANT:  Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found Frontier airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Please make it confirm.

ASSISTANT: Your ticket has been confirmed with airline number 1004.

USER: Thanks for your quick response.

ASSISTANT: Thank you for reaching us, Have a safe journey!.