You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Virginia Gonzalez here.

ASSISTANT: How can I assist you today?

USER: I want to book a ticket to visit PHL, can you book a flight from CLT for me?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates will be from 06/21 to 06/23.

ASSISTANT: Let me check for the availability of flight.

USER: Ok, please check for the flights with 1 connection.

ASSISTANT: Virginia, I am sorry to inform you that there is no flight available at your requested dates.

USER: Ok, that's fine. Thank you for checking.

ASSISTANT: You are welcome. Thank you for contacting us.