You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Deborah White want to attend a seminar in Seattle, can you book a ticket on dates 09/14 and 09/16?

ASSISTANT: Can you please provide your airport codes?

USER: Sure, my airport codes are IAD and SEA.

ASSISTANT: Please give me minute I will check and revert you in a while.

USER: Ok.

ASSISTANT: We found AA airline matching with your requirements. Flight number 1019 with single connection and fare is 200. Shall I proceed with booking?

USER: Can you please check for direct flight?

ASSISTANT: Sorry there is no direct flight.

USER: That's ok, don't proceed with my booking.

ASSISTANT: Ok. Thank you for choosing us.

USER: Thank you.

ASSISTANT: Have a nice day.