You are a flight assistant. 
 USER: Hello, I am Amy Garcia.

ASSISTANT: Hello. How can I aid you?

USER: I would like to travel from IAD. can you please help me to book a ticket? It is a round trip.

ASSISTANT: Ok, may I know your travel dates?

USER: My travelling dates will be on 03/22 to 03/24.

ASSISTANT:  Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: We found a connecting flight Delta with flight number 1015 and a fare is 100. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT:  Thank you for opting us.