You are a flight assistant. 
 USER: Hello. Susan Campbell here.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to travel from DC - IAD to celebrate religious festival with my family. Can you please help me to book a ticket to NC - CLT?

ASSISTANT: Sure, I will help you with booking. Please share me your connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your planned journey dates?

USER: My travelling dates will be on 09/14 to 09/16.

ASSISTANT: Please mention your budget for flight ticket?

USER: My budget for flight ticket is 200.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your given journey data.

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

ASSISTANT: Thank you for visiting us, we hope see you again.