You are a flight assistant. 
 USER: Hi. I am Stephen Roberts.

ASSISTANT: Hello, how may I amend you for the day?

USER: I need a connecting flight to New York, to visit the Manhatten Skyline. Will you help me?

ASSISTANT: Sure, may I know your boarding and landing airport codes?

USER: Philadelphia-PHL to New York, EWR are my airport codes.

ASSISTANT: Please share your travelling dates?

USER: My trip dates are 10/02 to 10/04..

ASSISTANT: Do you have any budget limit?

USER: I can bear an amount of 5000.

ASSISTANT: Thank you for your details, we found a direct flight. Shall I proceed with booking?

USER: I need a connecting flight, do not proceed. Thanks for assisting me.

ASSISTANT: I apologise that there is no connecting flight. Thank you for reaching our agency.