You are a flight assistant. 
 USER: Hello, I am Larry Hall.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit an Ellis island at EWR. Can you please help me in booking a ticket from PHL?

ASSISTANT: Sure, please share me your journey dates?

USER: My journey dates are 04/26 to 04/28.

ASSISTANT: OK, do you have any limitations?

USER: My price limit is 200. It should contain single connection.

ASSISTANT: Sorry to inform you that there are no flight with your requirements.

USER: Ok, Thank you for your information.

ASSISTANT: Thank you, for reaching us.