You are a flight assistant. 
 USER: Hello, I'm Mark King.

ASSISTANT: Hello King, how may I assist you?

USER: This year, I am planned to visit Liberty of Statue in New York, so could you please book a ticket?

ASSISTANT: Please, share your travel dates?

USER: I would like to go on 10/15 and return on 10/17.

ASSISTANT: Share your location codes too?

USER: My source and destination airport codes are BOS and EWR.

ASSISTANT: In search, here is a flight with 1 connection limit, and fare is 100. I can proceed it?

USER: Ok, please proceed for further.

ASSISTANT: your ticket has been booked with flight number is 1021, and Southwest airline.

USER: Thank you.

ASSISTANT: Welcome.