You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you help me to book a flight ticket from ATL to SEA?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please help me with your planned travelling dates.

USER: My travel dates are Sept 23 and Sept 25.

ASSISTANT: Please let me know with your name.

USER: I am Linda Collins.

ASSISTANT: Do you need a break in your journey?

USER: Yes, I need a break in between my journey.

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

USER: I would like to depart in the afternoon time.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: Linda Collins, I am really sorry to inform you that there is no flight available for your journey.

USER: No problem, thank you for the information.

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