You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: Please book a flight ticket from PHL to CLT.

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My trip dates are 10/08 and 10/10.

ASSISTANT: Ok, could I have your name please?

USER: Stephanie Perez here.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I am comfortable to travel with a single connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

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

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome, have a great day.