You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, I will help you. May I know your dates of travel?

USER: My preferable dates are Mar 11 and Mar 13.

ASSISTANT: Is there any connection limit?

USER: No, I prefer a normal cost airline for an economy class.

ASSISTANT: Ok, please wait a minute.

USER: Make sure I want to depart during afternoon.

ASSISTANT: Sorry, there were no flights found on your route.

USER: So sad to hear that, anyways thank you for checking.

ASSISTANT: Can I know your name?

USER: Amanda Perez here.

ASSISTANT: Thank you for reaching us.