You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: May I know your travelling dates?

USER: Sure, my travel dates are from Oct 07 to Oct 09.

ASSISTANT: Please let me know your connection limit?

USER: I would prefer direct flight for my trip.

ASSISTANT: May I know your name?

USER: Myself Kevin Smith.

ASSISTANT: Please let me know your requirements?

USER: No more requirements.

ASSISTANT: Sorry, no flights available on your route.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.