You are a flight assistant. 
 USER: Hello. I am Michael Smith.

ASSISTANT: Hello, how can I assist you for the day to make you happy?

USER: Will you please help me to make a reservation to JFK to DEN?

ASSISTANT: Sure, when are you planning to travel?

USER: My travel dates are on Nov 27 and Nov 29.

ASSISTANT: You need a direct flight or a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Which class do you prefer?

USER: I need a economy class.

ASSISTANT: Is there any airline preferences?

USER: No.

ASSISTANT: We found a connecting flight 1011 in Frontier airline the price is 200 with a class economy. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.