You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Sharon Perez. I have got an invitation from the president, so I need to go White house for that. Please help me with booking a flight ticket to Washington, DC - IAD. Can you find a flight from DTW?

ASSISTANT: Sure Sharon, I will help you with that. Can I have your travel dates please?

USER: My travelling dates are 04/23 to 04/25.

ASSISTANT: Ok Sharon, please wait a moment to check flight availability.

USER: Sure.

ASSISTANT: I have found a flight in Delta airlines which is having with connection 1 and price of ticket is 100. Shall I proceed with booking?

USER: Proceed for booking.

ASSISTANT: Ok Sharon, your booking has done  and flight number 1009.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a great journey.