You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Carol Martin. I want to book a flight ticket from SEA to IAD. Can you please help me with this?

ASSISTANT: Sure, may I know your depart and return dates?

USER: My depart day is on 11/03 and return on 11/05.

ASSISTANT: Do you need halt in between your journey?

USER: I need a halt in between my journey.

ASSISTANT: Sorry, there are no flights found with your given dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you.