You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Hernandez.

ASSISTANT: Can you please tell me which service do you need from our agency?

USER: I want to visit Charlotte CLT to meet my best friend from PHL. Can you find a flight ticket for me?

ASSISTANT: Sure, I am happy to help you with that. Could you send me your planned trip dates?

USER: Thank you. I want to travel on these days that is on Mar 07 and return on Mar 09.

ASSISTANT: Do you have any specifications?

USER: Yes, I want to depart in the evening time.

ASSISTANT: Ok, please mention your connection limit for your journey.

USER: Yes, I need a single connecting flight.

ASSISTANT: Sorry for the inconvenience, there is no flight found which is departing in the evening time.

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

ASSISTANT: Thank you for approaching.