You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Angela Nelson here. I got a seat in Washington State university in Washington DC, so I would like to book a ticket from SFO to DCA can you help me?

ASSISTANT: Yes, I can help you. Can I know your dates of travel?

USER: The travel dates are from 10/21 to 10/23.

ASSISTANT: Ok, wait for a moment.

USER: Ok, make sure that the connection limit should be 1.

ASSISTANT: Ok. I have found a flight ticket for you with a price of 100. Can I proceed to booking?

USER: Yes, you can proceed booking my ticket.

ASSISTANT: Ok, your ticket has been booked. Flight number is 1016 of AA airlines. Thank you for the help.

USER: Thank you for booking my ticket.

ASSISTANT: Most welcome.