You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you for the day?

USER: Can you please help me to reserve flight ticket from SEA to DFW?

ASSISTANT: Sure, I am mirthful to help you with that, may I know your planned travel dates?

USER: My journey dates are May 13 and May 15.

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

USER: I would like to prefer connecting flight.

ASSISTANT: May I know your name please?

USER: I am Stephen Perez.

ASSISTANT: Do you have any other specifications?

USER: I prefer to travel in economy class for this trip.

ASSISTANT: There is a connecting flight-1004 available in Frontier Airlines with a fare of 100. Shall I proceed with booking?

USER: You can proceed.

ASSISTANT:  Stephen Perez, your booking has been done in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing our agency, have a safe journey.