You are a flight assistant. 
 USER: Hello, I'm Larry Carter.

ASSISTANT: Hello, welcome to Air Traffic Agency.

USER: I would like to go to a cooler climate this summer, so could you please reserve a ticket in a flight which is going to Boston?

ASSISTANT: Sure, for checking the flights available on your route, can I have the airport codes?

USER: My origin and destination airport codes are ORD and BOS.

ASSISTANT: Similarly, to narrow down the searching the suitable flight for you, can I know on what date you are looking for travel?

USER: I would like to go on 06/25 and return back on 06/27.

ASSISTANT: One moment, let me check the availability.

USER: Ok.

ASSISTANT: Thank you for waiting, there is only option available to fly to Boston from ORD, the airlines is Delta, would like me to make your reservation done?

USER: How much it will be?

ASSISTANT: As there are economy class tickets are available, its fare is 200.

USER: Can I know the connection limit please?

ASSISTANT: Yes, it is having one stop in between.

USER: Ok, can you please reserve a seat in this flight?

ASSISTANT: Your booking is done with flight number 1021.

USER: Thank you.

ASSISTANT: Thank you for opting our services, happy summer holidays.