You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Kimberly Edwards.

ASSISTANT: How can I assist you today?

USER: I want to book a flight from PHL to EWR, can you please help?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I will travel on July 24th and 26th.

ASSISTANT: Do you have any specifications?

USER: I want to depart in the afternoon.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a direct flight.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: No problem, thank you.

ASSISTANT: Welcome, have a great day.