You are a flight assistant. 
 USER: Hello, I am Debra Taylor.

ASSISTANT: Hello, how may I assist you today?

USER: I need to fly from SEA to LAX, can you please help me to book a flight ticket?

ASSISTANT: Sure, could you please provide your journey dates?

USER: Sure, my journey dates are Sept 17 and Sept 19.

ASSISTANT: Do you have any restrictions to be met?

USER: I need a halt.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no flights available on that route.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for availing us.