You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am planning to visit Washington city, can you please book me a ticket from CLT to DCA?

ASSISTANT: Sure, I will help you. Could you please provide your preferable dates of travelling?

USER: My preferable journey dates are from 01/20 to 01/22.

ASSISTANT: Ok, please wait a moment to check the flights.

USER: Sure, take your own time.

ASSISTANT: Based on your information, I have found a flight with 0 connections with the fare of 600. Is it ok for you?

USER: Can you please find a flight under 500 and 1 connection limit?

ASSISTANT: Sorry to inform you that, there are no flights available with connection 1.

USER: Ok, not an issue. I will find any alternate for this trip.

ASSISTANT: May I know your name for documentation purpose?

USER: My name is Jonathan Clark. Thank you for providing information.

ASSISTANT: Ok, thank you for reaching us, have a great day.