You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you book a flight ticket from CLT to ORD?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip is in Aug from 9th to 11th.

ASSISTANT: Do you have any other requirements?

USER: I prefer a single break in my journey. I want to depart in afternoon.

ASSISTANT: Ok, please provide your name.

USER: Pamela Jackson here.

ASSISTANT: Sorry, there were no flights found on your route.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for approaching us.