You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donna King here.

ASSISTANT: How may I assist you?

USER: I want to travel from GA-ATL to CO-DEN, can you please help me to book a ticket?

ASSISTANT: Ok, may I know your trip dates to find a flight for you?

USER: Ok, my preferable dates of journey is from 12/30 to 01/01. Please make sure that the price limit is 200.

ASSISTANT: I got a flight-1027 with connection 1 and price 400 of Hawaiian airline. Sorry for the inconvenience, there is no flight for you with your price limit.

USER: Ok, no problem.

ASSISTANT: Ok, thanks for choosing us.

USER: Thank you for your service.