You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please help me with your planned travelling dates.

USER: My planned travel dates are from Sept 08 to Sept 10.

ASSISTANT: Please help me with your name.

USER: I am Linda Smith.

ASSISTANT: Do you need a break in your journey?

USER: I need a break in between my journey.

ASSISTANT: Do you have any other preferences in your journey?

USER: No.

ASSISTANT: Please allow me a minute.

USER: Ok.

ASSISTANT: Linda Smith, I am really sorry to inform you that there are no flights available for your journey.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for understanding. Thank you for reaching us. Have a great time.