You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Paul Lee.

ASSISTANT: OK.

USER: I have planned to visit Boston on my friend's birthday. Can you please help me in booking a flight ticket?

ASSISTANT: Sure.Please provide your source and destination airport codes.

USER: I would like to travel from HOU to BOS.

ASSISTANT: Will you please provide your travelling dates?

USER: My preferable dates for travelling will be on 03/27 and 03/29.

ASSISTANT: OK, please give me a moment.

USER: OK.

ASSISTANT: Thanks for waiting.As per your request the flight is available.

USER: That's good.

ASSISTANT: The flight number is 1004 with price 100 and the connections 1. Are you OK with this?

USER: Yes, please proceed for booking.

ASSISTANT: OK, your ticket is booked.

USER: OK, please provide the airline name?

ASSISTANT: The airline is Frontier.

USER: OK, thank you for your immediate response.

ASSISTANT: Thanks for reaching us.Have a nice day.