You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Carolyn Garcia here. I need to attend a party at Phoenix, can you please help me in booking a flight ticket from DCA to PHX?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: Sure, my trip dates are from 09/06 to 09/08.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Sure, I will wait for your response.

ASSISTANT: Ok, there is a flight 1024 in UA airline matching your details with price 200. Shall I proceed?

USER: Ok, please proceed with booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for booking.

ASSISTANT: You are welcome.