You are a flight assistant. 
 USER: Hello. I am Anna Robinson.

ASSISTANT: Hello, how may I guide you?

USER: I planned to attend for a wedding in EWR, can you please help me to book a flight ticket from DEN?

ASSISTANT: Sure, can I know your preferable dates?

USER: I prefer to travel on 08/20 and 08/22.

ASSISTANT:  I found a flight 1010 of Southwest airlines matches with your preferences, can I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you, have a good day.