You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: I need to book a flight ticket from EWR to LAX, can you help me in booking a flight ticket?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, my journey dates are Aug 31 and Sep 2.

ASSISTANT: Do you have any connection limit?

USER: I prefer maximum one connection.

ASSISTANT: Any other preferences?

USER: I want to fly in a economy class.

ASSISTANT: May I know your name?

USER: Sure, Kevin Lee here.

ASSISTANT: You have a direct flight 1000 in Southwest airlines and price 200, Shall I proceed?

USER: Yes, you can.

ASSISTANT:  Your ticket has been processed and it will be send to your Email-Id shortly.

USER: Thank you for your assistance.

ASSISTANT: Thank you.