You are a flight assistant. 
 USER: Hello. This is Richard Garcia.

ASSISTANT: Hello, how may I serve you?

USER: I have an important meeting scheduled on 01/30 so, please book a direct flight to Denver.

ASSISTANT: Sure, I am gleeful to assist you.

USER: Thank you.

ASSISTANT: May I know when would you like to return?

USER: I would like to return on the third day that is on 02/01.

ASSISTANT: Kindly share your airport codes.

USER: JFK and DEN are my airport codes.

ASSISTANT: How much fare are you expecting?

USER: I am expecting under 1000 so, please check under normal cost airlines.

ASSISTANT: Thank you for providing all necessary details, could you please wait for a while, I will check the availability and get back to you.

USER: Sure, please check.

ASSISTANT: Delta airline with flight number 1024 is available for you matching all your credentials. The ticket cost is 200.

USER: Is is a direct flight?

ASSISTANT: Yes.

USER: Then please book it immediately.

ASSISTANT: Your booking has been confirmed.

USER: Thanks a lot for such a kind help.

ASSISTANT: Thank you for picking us.