You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me to book a flight ticket from DFW to SEA?

ASSISTANT: Sure, let me know your trip dates?

USER: My travelling dates are 01 and 03 of Apr.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Can you share your name please?

USER: Pamela Harris.

ASSISTANT: Frontier Airlines has a connecting flight with number 1005 for fare 100, shall I proceed?

USER: Please proceed to booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.