You are a flight assistant. 
 USER: Hello, Michelle Mitchell here.

ASSISTANT: Hello, how may I help you?

USER: Can you please reserve me a connecting flight ticket within the fare of 500.

ASSISTANT: Sure, please share your journey dates?

USER: My planned trip dates are Oct 04 to 06.

ASSISTANT: May I know your airport codes please?

USER: My airport codes are JFK to DEN.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a flight in UA airlines, flight number is 1027 with one connection and price is 100.

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.