You are a flight assistant. 
 USER: Hello. I am John Carter.

ASSISTANT: Hello, how may I guide you at this moment?

USER: I want to travel from SEA to DTW. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: May I know on which dates you are planning to start and return?

USER: I would like to travel in the flight on 26th of July and July 28th.

ASSISTANT: Do you need any whistle stop in between your journey?

USER: I want to have a connection of 1.

ASSISTANT: Ok. I'll just check on the computer. Do you want economy or business class?

USER: I don't have any preference on class.

ASSISTANT: Ok, please wait for a moment.

USER: OK.

ASSISTANT: Thanks for waiting, we are pleased to inform you that we have found a Frontier airline, flight number-1005 connections-1 and price limit is 300. Shall I reserve a ticket for this airline?

USER: My budget for ticket is 200.

ASSISTANT: Sorry, there is no flight found on your budget.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thanks for choosing us, have a happy day.