You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I abet you?

USER: I want to attend at meting on 03/16 so I would like to start on 03/15 and return on 03/17.

ASSISTANT: Sure, may I know your airport codes?

USER: I need to book a flight ticket from SEA to BOS, Can you please help me with that?

ASSISTANT: Do you need a whistle stop with in your route?

USER: I need a single stop over in between my journey.

ASSISTANT: Ok, we found an Southwest airline with flight number 1001 and the fare is 200.

USER: Ok, proceed for booking.

ASSISTANT: Your booking has been done. May I know your name?

USER: My name is Patricia Thompson.

ASSISTANT: Thank you.

USER: Thanks for your information.