You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: I want to attend a Seminar in New York. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Sep 28 and Sep 30.

ASSISTANT: Do you need a lay by in between the journey?

USER: I prefer single connecting flight.

ASSISTANT: On which dates would you like to travel?

USER: I already mentioned.

ASSISTANT: Ok, provide your airport codes.

USER: My airport codes are DEN and LGA.

ASSISTANT: May I know your good name please?

USER: Brenda Brown.

ASSISTANT: Do you have any other preferences?

USER: I don't have any other preferences.

ASSISTANT: We found a Hawaiian Airlines with fare of 200 and a lay by in between the journey matches your schedule.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been confirmed with flight number 1000.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.