You are a flight assistant. 
 USER: Hi. I am Ryan Martinez.

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

USER: I have a plan to visit some historical places at Philadelphia, please help me by booking a flight ticket with a connection.

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: May I know from where would you like to start your journey?

USER: I would like to start my journey from Seattle, SEA.

ASSISTANT: On which dates do you want to book your ticket?

USER: My travelling dates are depart date on 08/12 and return date on 08/14.

ASSISTANT: Please share your destination airport code?

USER: My destination airport code is PHL.

ASSISTANT: Ok, please wait a moment.

USER: OK, I will.

ASSISTANT: We found an airline Frontier with fare 200 and having a halt.

USER: Please proceed with booking.

ASSISTANT: Your booking has been processed for flight 1006.

USER: Thanks for the reservation.

ASSISTANT: Thank you for reaching us.