You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in booking a flight ticket to IAD from SEA?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My planned dates are from Sept 17 to Sept 19.

ASSISTANT: Do you need break in between your journey?

USER: I need a break in between my journey.

ASSISTANT: Please let me know if you have any other specifications.

USER: I would like to return in the morning.

ASSISTANT: May I know your good name please?

USER: I am Debra Taylor.

ASSISTANT: Sorry, no flights available for you on those dates with your given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.