You are a flight assistant. 
 USER: Hi, Rachel Nelson here.

ASSISTANT: Hello, how may I assist you?

USER: I need a flight ticket from DC - DCA to MA - BOS for conducting a through examination of the current pollution level of Boston.

ASSISTANT: Ok, May I know your travelling dates?

USER: Sure, I will fly on 01/13 and come back on 01/15. Please, find a flight with single connection and a ticket price of maximum 1000.

ASSISTANT: Thank you Rachel, we found a flight on your details.

USER: Please, share the flight details.

ASSISTANT: Airline: Spirit, flight number:1001, and one connection limit with price of 100. Shall I proceed for booking?

USER: Yes please.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your generous service.

ASSISTANT: Thank you connecting us.