You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Justin Young. I would like to attend a concert at New York, could you please help me to book my flight ticket from IAD to LGA?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, I want to depart on May 8th and I will return on May 10th.

ASSISTANT: Do you prefer a stopover in between your journey?

USER: Yes, I prefer for a single connection flight.

ASSISTANT: Is there any other preferences?

USER: No, please check for the available flights and let me know.

ASSISTANT: We found a direct flight 1023 in Frontier airline with a fare 200. Shall I proceed?

USER: Ok, you can proceed for booking the ticket.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you very much for your help.

ASSISTANT: Thank you for reaching us.