You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER:       I want to book a flight ticket from DFW to LAX, can you please help me out with booking?

ASSISTANT: Sure, please share your journey dates?

USER: Ok, my travelling dates are June 01 and June 03.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Is there any class preferences?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Christopher Scott.

ASSISTANT: We found a flight in United airlines, flight number is 1004 with single connection and price is 100 economy class. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket has been booked. Thank you for choosing us.

USER: Thank you for the help.