You are a flight assistant. 
 USER: Hello.

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

USER: I want to book a ticket from BOS to DCA to attend seminar, can you help me in booking?

ASSISTANT: Sure, please provide your travelling dates.

USER: I am departing on June 17 and return on June 19.

ASSISTANT: Ok, do you need a lay by in between the journey?

USER: I need a flight with connection limit 1.

ASSISTANT: May I know your class preference?

USER: I need a flight with economy class.

ASSISTANT: Do you have any other requirements?

USER: I do not have any other specifications.

ASSISTANT: May I know your good name please?

USER: My name is Donald Green.

ASSISTANT: We found a Frontier airline with fare of 100 and a lay by in between the journey with economy class.

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1008.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.