You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: Sure, my travel dates are from Oct 03 to Oct 05.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I would like to travel in a connecting flight.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No more specifications.

ASSISTANT: May I know your name please?

USER: Myself Edward Anderson.

ASSISTANT: Thank you for providing your journey details, please wait a moment I'll search best flight for you.

USER: Sure.

ASSISTANT: Thank you for being patient, we didn't find any flights which matches your requirement.

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

ASSISTANT: Thank you for reaching us, have a nice day.