You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joshua Clark.

ASSISTANT: How can I help you at this moment?

USER: I would like to book a ticket from IAD to CLT, can you please help me out?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates for booking flight ticket?

USER: I am travelling on these dates 11/22 and 11/24.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Sure.

ASSISTANT: Based on your information, I have found a flight with 0 connection with the fare of 200 provided by Spirit airlines. Shall I proceed with this?

USER: I need connection limit 1.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry no connecting flights are available in this route as per your requested dates.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.