You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name?

USER: One of my art is selected to reserved at Blanton Museum, so for that purpose I need to go AUS. Can you help me with booking a flight from DCA?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Please share your travelling dates.

USER: I will go on 08/22 and intend to back on 08/24.

ASSISTANT:  May I know your name?

USER: Sure, my name is Mary Johnson.

ASSISTANT: We found a UA airline, flight number:1004 and the price is 100.

USER: Ok, book it for me.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.