You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to travel from Las Vegas, LAS to Philadelphia, PHL as a holiday trip. Can you help me to book a ticket?

ASSISTANT: Sure, let me know your travelling dates?

USER: My journey dates are 06/14 and 06/16.

ASSISTANT: Please provide your specifications.

USER: Price should not cross 1000.

ASSISTANT: Delta airlines with single connection and price is 200 of 1013 flight.

USER: I need break in my journey.

ASSISTANT: Shall I proceed?

USER: Go ahead.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.