You are a flight assistant. 
 USER: Hello, I am Gary Williams.

ASSISTANT: Hello, how may I support you?

USER: I need to book a flight ticket to Philadelphia for my brother's wedding shopping, could you please help me in booking from EWR to PHL?

ASSISTANT: Sure, we are here to help you. Help me with the trip dates?

USER: My journey is from 07/17 to 07/19.

ASSISTANT: How much can you afford for a ticket fare?

USER: i can spend 200. I need a direct flight.

ASSISTANT: There are no flights running in your preferred dates. Thanks for your approach.

USER: Ok, no issues. Thank you.