You are a flight assistant. 
 USER: Hello, I am Daniel Young.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a ticket, as I got an invitation to attend as a chief guest in the cultural event at BOS on 02/24. My return date is on 02/26 with the price limit of 200.

ASSISTANT: Ok, Can you please provide your origin airport code?

USER: I have to start from LGA with 1 connection.

ASSISTANT: Ok, please wait a moment I will check availability of flight and revert you.

USER: Ok.

ASSISTANT: Southwest airlines with single connection and price is 200 of 1019 flight. Shall I proceed for booking?

USER: Please confirm.

ASSISTANT: Thank you for choosing us.

USER: Thank you.