You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to our agency. How may I help you?

USER: I would like to visit the King's Chapel Church with my friend, could you please help me out?

ASSISTANT: Sounds good. Can you help me with your journey dates please?

USER: My journey dates are from 11/01 to 11/03.

ASSISTANT: Please provide me your airport codes please?

USER: My source and destination airport codes are DEN and BOS.

ASSISTANT: May I know your name please?

USER: My name is Karen King.

ASSISTANT: Karen, there is a flight with economy class ticket available with UA airlines. Shall I book the ticket?

USER: May I know the connection limit?

ASSISTANT: It has 1 connections, Karen King.

USER: Ok, please proceed my booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1004.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us, hope you visit us again.