You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Emma Smith. I want to travel from DTW to IAD. Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I want to travel in the flight on 09/16 and 09/18.

ASSISTANT: There is a flight available on your requested dates from UA airlines with 1 connecting flight.Shall I confirm your booking?

USER: Book the ticket for me.

ASSISTANT: Your ticket is booked with flight 1004.

USER: Thank you for your help.

ASSISTANT: You are welcome.