You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Justin Parker here.

ASSISTANT: Parker, how can I help you today?

USER: Find a flight ticket for me that is from airport codes EWR to PHL. As I want to visit Philadelphia for my business trip.

ASSISTANT: Sure, I am glad to help you in that, when you are going to start your journey and please share your return date also?

USER: See that the price of flight ticket is below 1000.

ASSISTANT: Sure.

USER: My travel dates for my journey would be from 10/03 to 10/05.

ASSISTANT: Ok, please hold on for a moment to check availability of flights.

USER: Sure, I will wait.

ASSISTANT: Sorry no flights as per your details due to heavy bookings.

USER: That's not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.