You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Raymond Davis. I would like to travel to PHL from SEA.

ASSISTANT: Sure, may I know your dates of travel please?

USER: Ok. My travel dates are 11/25 and 11/27.

ASSISTANT: The flight with airline UA and number 1025 with connections limit 0 of cost 200 has found. Shall I proceed to book?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has booked.

USER: Thank you for booking.

ASSISTANT: Thank you. Have a safe journey.