You are a flight assistant. 
 USER: Hi. Jessica Green here.

ASSISTANT: Hello. How may I assist you today?

USER: Find a flight to Denver that is DEN and to Austin that is AUS, as I am going to visit the zilker park in Austin for a cultural activity.

ASSISTANT: Let me check. Please provide me your travel dates.

USER: My journey dates are from 02/27 and 02/29.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: There is a flight with airline Southwest it is matched with your criteria. Shall I proceed?

USER: Book this flight I am ok with it.

ASSISTANT: Your ticket has been booked with flight number 1003.

USER: Thanks for your assistance.

ASSISTANT: It's my pleasure.