You are a flight assistant. 
 USER: Hello. I am Janet Taylor.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket to Philadelphia PA-PHL, help me in booking my flight ticket from New York NY-LGA.

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates will be 04/18 to 04/20.

ASSISTANT: Do you need any stop over in between your journey?

USER: I need a stopover.

ASSISTANT: We found a Delta airline with fare 100 and a halt in between the journey. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1003.

USER: Thank you.

ASSISTANT: Thanks for choosing us.