You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to visit to Detroit, can you please help me to book a ticket from IAD to DTW?

ASSISTANT: Sure, please share your journey dates to check available flights.

USER: My travelling dates are on Sept 07 and Sept 09.

ASSISTANT: May I know which class do you prefer to travel?

USER: I am okay with any class.

ASSISTANT: May I know your depart and return times preference?

USER: I am comfortable to travel at any time.

ASSISTANT: May I know your name for booking purpose please?

USER: Sure, my name is Emma White.

ASSISTANT: Do you have any particular airline in mind for your journey?

USER: No.

ASSISTANT: We have a flight from Delta airlines, number 1011 and the price is 100 as it is an economy class ticket. Please check and let me know if you want to proceed with the booking.

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been confirmed with a connecting flight.

USER: Thank you.

ASSISTANT: Thank you for choosing us.