You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Can you please help me to search a flight with 0 connection limit?

ASSISTANT: Sure, may I know your airport codes?

USER: The airport codes are from CO-DEN to MA-BOS.

ASSISTANT: Please provide your departure and arrival dates.

USER: The travelling dates are 06/21 to 06/23.

ASSISTANT: Please hold on for a while. Let me check for any available flights.

USER: Sure.

ASSISTANT: Flight 1001 of Frontier airlines is providing service from DEN to BOS.

USER: Ok, may I know the price?

ASSISTANT: Ticket price is 200.

USER: That's fine, proceed with my booking on the name of Angela Allen.

ASSISTANT: Allen, your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.