You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am Lisa Martinez. I want to attend my father 60th Anniversary at New York. Can you help me in book a flight ticket under the range of 500?

ASSISTANT: Sure, May I know the journey codes?

USER: My journey codes are from PHL to EWR.

ASSISTANT: Please help me with your travel dates.

USER: My travelling dates are from 09/13 to 09/15.

ASSISTANT: We have found a direct flight from Jet blue airline. Shall I proceed?

USER: Do not proceed. I need a connecting flight only.

ASSISTANT: Ok. Thank you for opting us.

USER: Thank you.