You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Carter.

ASSISTANT: Joseph Carter, how may I assist you with today?

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

ASSISTANT: Sure, I will help you. Please help me with your planned travel dates.

USER: I need to start on Dec 09 and return on Dec 11.

ASSISTANT: Joseph Carter, do you need a direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Joseph Carter, I am sorry to inform you that there are no flights available.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us. Have a great day.