You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: Can you please help me in booking a flight ticket to CLT from IAD?

ASSISTANT: Sure, can you please let me know your travel dates?

USER: My travel dates are from Feb 16 to Feb 18.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart in the afternoon.

ASSISTANT: May I know your name?

USER: I am Pamela Hall.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry, there were no flights found to depart in the afternoon.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.