You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you at this moment?

USER: I am Carolyn Mitchell, I want to book a flight ticket to CLT from BOS. Can you please help me to book a flight ticket?

ASSISTANT: Yes, I will help you about your flight ticket booking.

USER: Thank you.

ASSISTANT: Can you help me by providing your planned dates of journey?

USER: Sure, my travelling dates are 02/27 and 02/29.

ASSISTANT: Hold on for some time.

USER: Ok, take your time and please search me a flight with a direct connected flight.

ASSISTANT: Sorry Mitchell, there is no flights which can travel on your planned dates of your journey.

USER: Not a problem, anyway thank you for the information.

ASSISTANT: Thank you for reaching us.