You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Cynthia Adams here, I want to reserve my ticket within the price limit of 500, can you please help me?

ASSISTANT: Sure, please provide your travelling dates to go.

USER: Sure, my preferable dates of journey is from 02/19 to 02/21.

ASSISTANT: Ok, may I know your locations?

USER: Ok, my respective airports codes of journey is from ORD to DCA.

ASSISTANT: Ok, please wait a moment.

USER: Please make sure that the connections limit is 1. Sure, I will wait.

ASSISTANT: Thanks for your time, there is a connecting flight-1000 with price 100 of Spirit airline. Shall I proceed?

USER: Ok, please go ahead with this ticket booking.

ASSISTANT: Ok, your reservation is done.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thanks for contacting us.