You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I am planning a surprise to my husband on the event of Sweetest Day.

ASSISTANT: Ok.

USER: So,please book a flight on 10/19 with one connecting flight.

ASSISTANT: Sure. Please provide your journey details.

USER: Make sure to confirm a ticket from BOS with in a price limit of 1000. You can check with flights on 10/21. I should reach to LGA.

ASSISTANT: May I know your source airport code?

USER: My source is Boston as mentioned above.

ASSISTANT: Thank you for providing your details.

USER: Ok.

ASSISTANT: Please wait for a minute. In mean while let me know your name for further process.

USER: I am Melissa Nelson.

ASSISTANT: You have UA airline of price 100 with 1019 flight having 1 connection. Shall I proceed to book a ticket?

USER: I am ok with the details provided, ready to travel with UA airline.

ASSISTANT: Your ticket has booked.

USER: Thanks for your response.

ASSISTANT: Thank you for connecting us.