You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER:  I have planned to book a ticket from SEA to LAX, can you assist me in booking my ticket?

ASSISTANT: Sure, can I know your journey dates?

USER: My preferred dates are Sep 26th and Sep 28th.

ASSISTANT: May I know your class preference?

USER: I am Ok with any class.

ASSISTANT: Do you need a connecting flight?

USER: I need one connection between my trip.

ASSISTANT: We found a flight of frontier airline, flight number 1024 with the fare of 100.

USER: Proceed.

ASSISTANT: May I know your name?

USER: Donna Evans.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.