You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donald Garcia.

ASSISTANT: How can I assist you?

USER: I am looking for a flight from CLT to DEN, can you help me?

ASSISTANT: May I know your travel dates?

USER: My travelling dates are 22 and 24 of June.

ASSISTANT: Do you have any specifications?

USER: My airline preference is normal cost and connecting flight.

ASSISTANT: Flight-1023 is available in Hawaiian airlines and the flight fare is 200. Can I proceed?

USER: Please proceed to booking.

ASSISTANT: Your booking is confirmed.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.