You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Emma Clark. I would like to book a ticket from IAD to DTW, can you please help me out?

ASSISTANT: Sure, let me know your travel dates please?

USER: I am travelling on these dates DEC 28th and 30th.

ASSISTANT: Do you need any specific arrival and depart time?

USER: I prefer departure in the morning.

ASSISTANT: Ok, is there any class preference?

USER: I prefer economy class.

ASSISTANT: Do you need any airline preference?

USER: I don't have any airline preference.

ASSISTANT: May I know your connection limit?

USER: I need a break.

ASSISTANT: Delta airlines providing a connecting flight with the ticket fare of 200 and arrival time is 01.

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1008 an economy class and depart time is 06:00 AM, arrival time is 01:00 AM.

USER: Thank you for your services.

ASSISTANT: Thanks for choosing us.