You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to go for a holiday trip to DFW, can you book a flight from SFA?

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

USER: My travelling dates are 12/29 and 12/31.

ASSISTANT: Please let me know with your name.

USER: Sure, my name is Margaret young.

ASSISTANT: Do you need a break in your journey?

USER: Yes, I prefer 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: Sure.

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

USER: No issues, thank you for your time.

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