You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your good name?

USER: I am Karen Hernandez.

ASSISTANT: How can I help you for the day?

USER: I would like to meet my friend. Could you please help me to book a ticket from LAX to PHL?

ASSISTANT: Sure, which dates do you prefer to travel?

USER: My travelling dates will be on 05/28 to 05/30.

ASSISTANT: Do you prefer a halt in between your journey?

USER: I need a direct flight.

ASSISTANT: You have earned some coupons in the previous trip, do you want me to apply it?

USER: Sure, may I know flight details?

ASSISTANT: We found a flight 1016 in economy flight  in Hawaiian airline with a halt.

USER: Ok, you can proceed to booking.

ASSISTANT: Ok, we have applied a coupons and your ticket has been confirmed with a fare of 100.

USER: Thank you.

ASSISTANT: Thank you.