You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Could you please book a flight ticket from SEA to PHL?

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

USER: My travel dates are Dec 12 and Dec 14.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a single connecting flight.

ASSISTANT: May I know your good name please?

USER: My name is Larry Edwards.

ASSISTANT: Do you have any other specification?

USER: No.

ASSISTANT: The economy class with flight number 1020 of Frontier airline is available having fare as 100 and connection as 1, is it ok for you?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: You are welcome.