You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you for the day?

USER: I would like to book a flight ticket from PHL, can you please help me in booking a flight ticket to CLT?

ASSISTANT: Sure, when are you planning to start and return on?

USER: I will leave on Jan 11 and return on Jan 13.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please forward your good name?

USER: Richard Collins.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.