You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: I would like to travel to Boston to spent some quality time with my grand parents, can you help me to book a flight ticket from Denver, CO-DEN?

ASSISTANT: Sure, could you please mention your destination airport code?

USER: My destination is Boston, MA-BOS.

ASSISTANT: Let me know if you prefer a connection limit.

USER: Yes, I need a break.

ASSISTANT: May I know your planned dates of travel?

USER: My planned travelling dates are on 06/28 to 06/30.

ASSISTANT: Ok, give me a moment.

USER: Sure.

ASSISTANT: Thank you for your time. We found a Spirit airline available according to your request with flight number 1000 and price of 200.

USER: You can book the ticket with the name Andrew Mitchell.

ASSISTANT: Ok, your reservation has been processed successfully.

USER: Thank you.

ASSISTANT: Thank you for picking us.