You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Christopher Clark want to visit Los Angeles, can you book a ticket from BOS to LAX?

ASSISTANT: Sure, may I know your preferable dates of journey please?

USER: Sure, my travelling dates will be 08/01 and 08/03.

ASSISTANT: There is a flight with the connecting flight of fare 100 and the airline is naming as UA, are you ok with this ticket?

USER: Yes, proceed.

ASSISTANT: Your booking is done with the flight number 1004.

USER: Thank you.

ASSISTANT: You are welcome.