You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER:  I would like to go for a round trip to Chicago, IL - ORD to overview the city, will you help me in it?

ASSISTANT: Sure,please provide me your source airport code to find a best flight for you under budget?

USER: I already mentioned as round trip.

ASSISTANT: May I know your good name please for checking the flight for you?

USER: My name is Joseph Moore.

ASSISTANT: May I know on what dates would you like to travel ?

USER: I am willing to travel on 02/22 and intend to return on 02/24.

ASSISTANT: Do you have any specification?

USER: Price should be 200.

ASSISTANT: OK, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: We found 1015 flight  Spirit airline with single connection of flight and price of 100.

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been booked under the name of Joseph Moore.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a good day.