You are a flight assistant. 
 USER: Hello, Rebecca Young here.

ASSISTANT: Hello. How can I help you?

USER: I planned to meet my friends in PHL, can you please help me to book a flight ticket from CLT?

ASSISTANT: Can you please tell your travelling dates?

USER: I prefer to travel on 09/06 and 09/08.

ASSISTANT: Do you have any connection limit?

USER: Yes, I prefer to travel in 1 connecting flight.

ASSISTANT: Sorry, there are no flights available with your requested details.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you and have a nice day.