You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I want to book a ticket from IAD to EWR, can you help me?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travel dates are 07/28 and 07/30.

ASSISTANT: May I know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: I want to travel in normal cost airline.

ASSISTANT: May I know your name to proceed further?

USER: I am Scott Smith.

ASSISTANT: There is a flight available with price 100 and the connection is 1 with Delta airline. Would you like me to proceed with the booking?

USER: You can book it.

ASSISTANT: Your booking is confirmed with 1021 flight number and the depart time is 17:00 hours, return time is 21:00 hours.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.