You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I have planned to book a plane ticket from PHL to DCA, can you assist me?

ASSISTANT: Sure, let me know your travelling dates.

USER: My preferred dates are July 9th and July 11th.

ASSISTANT: Do you have any other specifications?

USER: I need 1 lay by.

ASSISTANT: Can you please share me your name?

USER: Samuel Davis.

ASSISTANT: We found a flight with an Delta airline of flight 1028 in an economy class with single connection. Can I proceed?

USER: Proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you.