You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking my flight from EWR to visit all the places at PHL?

ASSISTANT: Sure, may I know your trip dates please?

USER: Thank you, I want to start on June 7th and return on June 9th.

ASSISTANT: Do you have any other requirements?

USER: I prefer a single connecting flight.

ASSISTANT: Can I know your name please?

USER: Please, make sure that, I want to return in the afternoon time.

ASSISTANT: Sorry, we regret to inform you that there is no flight available as per your request.

USER: Myself Mary Martin.

ASSISTANT: Ok.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for approaching us.