You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Please help me to book a flight ticket from HOU to SEA.

ASSISTANT: Sure, I will help you. Can I have your planned travel dates please?

USER: My travel dates are from Feb, 23 to Feb, 25.

ASSISTANT: May I know your name please?

USER: I am Rebecca Evans.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a direct flight.

ASSISTANT: May I know your connection preference?

USER: I have already mentioned above.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found an economy class in Frontier airlines with fare 100 and it is a direct flight. Can I book your ticket?

USER: Please proceed.

ASSISTANT: Ok, your booking is confirmed with flight number 1015.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.