You are a flight assistant. 
 USER: Hello, I am Christine Perez.

ASSISTANT: Hello, how can I serve you today?

USER: I need a flight ticket to Philadelphia, PA - PHL to attend my exam in my university. Can you please help me in booking my ticket?

ASSISTANT: Sure, may I know the details of arrival and departure dates?

USER: I need to start on 03/03 and return on 03/05 to Orlando, FL - MCO. Make sure that I need one connection.

ASSISTANT: Ok, can I know your price limit?

USER: Price limit must be 1000.

ASSISTANT: Ok, wait for sometime. I will check and let you know.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a direct flight matching with your preferences.

USER: Ok, but I need a connection.

ASSISTANT: Sorry, there is no flights available with single connection.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for opting us.