You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Helen Roberts, planning to visit Charlotte. Can you please book me the ticket from PHL to CLT?

ASSISTANT: Sure, can you share your trip dates?

USER: My planned dates of journey are from 02/15 to 02/17.

ASSISTANT: Do you have any specifications?

USER: Yes, I need 1 connection limit flight.

ASSISTANT: Sorry, there is no flight on your given dates.

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

ASSISTANT: Thank you for reaching us.