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

ASSISTANT: Hello, how can I assist you today?

USER: I am looking for a cheapest flight possible with in price under 200 to Philadelphia, PA-PHL?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Can you please help me in that?

ASSISTANT: Ok.

USER: My planned dates are from 03/08 to 03/10.

ASSISTANT: Please provide me your connection limit.

USER: I need single connection.

ASSISTANT: May I know your source point?

USER: San Francisco, CA-SFO is my source point.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, not a problem.

ASSISTANT: Thank you for opting us.

USER: Thank you for your information.