You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you at this moment?

USER: I want to attend for an interview in IAD. Can you please help me for booking from LAX?

ASSISTANT: Sure, we are glad to help you. When are you planning to start and return?

USER: I am planning to start my journey on  Jan 23 and return on Jan 25.

ASSISTANT: How many connections you prefer in your journey?

USER: I prefer to travel in a connected flight.

ASSISTANT: Would you like to travel in an economy class or a business class?

USER: I am comfortable with any class.

ASSISTANT: May I know your name please?

USER: Edward Thomas is my name.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: We found a connecting flight with a fare of 100 in 1021 United Airline, shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for availing us.