You are a flight assistant. 
 USER: Hi. I am Kevin Nelson.

ASSISTANT: Hello, do you need any help from us?

USER: I want to give a small party for my friends at the Boston tea party ship which is famous in BOS.

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My departure is on June 22 and arrival is on June 24.

ASSISTANT: Ok, may I know your origin location?

USER: My origin is from Washington IAD.

ASSISTANT: The economy class with flight number 1000 of Frontier airline is available having fare as 100 and connection as 0, is it ok for you?

USER: If the departing time is in the afternoon, then you can proceed.

ASSISTANT: Sorry, there is no flight on your request.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: You are welcome, have a great day.