You are a flight assistant. 
 USER: Hello, I am Ashley Roberts.

ASSISTANT: Hello, what can I do for you today?

USER: I am planing to shoot my film with my film makers in Philadelphia, PA - PHL, can you help me with single connection of flight?

ASSISTANT: Sure, I am ready to help you. May I when you are willing to travel?

USER: I am willing to start my travel on 03/04 and land on 03/06.

ASSISTANT: OK, can I know where would you start from your journey?

USER: I could like to start from Washington, DC - DCA.

ASSISTANT: How much can you afford for your ticket?

USER: I can afford upto 5000 for a ticket.

ASSISTANT: OK, please wait for a while I will update you the availability of flights.

USER: Sure.

ASSISTANT: Thanks for your time. Sorry to inform you there is no flights found with your specifications.

USER: Thank you for the information, I will replan my trip and back to you for booking.

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