You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Ronald Smith.

ASSISTANT: How shall I help you?

USER: I am planning to visit Washington. Can you please book me a ticket from DTW to IAD?

ASSISTANT: Please mention your journey dates?

USER: My planned dates of journey are from 06/07 to 06/09.

ASSISTANT: Please provide connections limit?

USER: I need 1 connection limit flight.

ASSISTANT: No flights are available with your requirement.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you.