You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you out?

USER: I would like to meet my cousins at Detroit, please help me in booking a ticket from SEA to DTW.

ASSISTANT: Sure, I am happy to help you. May I know your planned trip dates?

USER: My planned travel dates are on July 31 and Aug 2.

ASSISTANT: Do you have any class preference?

USER: Any class is comfortable for me.

ASSISTANT: Do you need a connecting flight or direct flight?

USER: I need a connecting flight for my trip.

ASSISTANT: Is there any other specifications for you?

USER: No more specifications.

ASSISTANT: Can I have your good name?

USER: My name is Robert Johnson.

ASSISTANT: Thanks for providing details, there is a connecting flight found in Frontier airline with a fare of 100 which departs at 2:00 AM and return at 14:00 PM. Shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1027.

USER: Thank you for your assistance.

ASSISTANT: Thank you for availing us.