You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any assistance from us?

USER: Myself William Brown. Can you please book a flight ticket from DCA to AUS?

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, I need to travel on dates of 10/21 and 10/23.

ASSISTANT: The AA airline with flight number 1005 is available having price as 100 and connection as 1, shall I proceed booking?

USER: That is fine, please proceed with booking.

ASSISTANT: Ok, your reservation is done.\.

USER: Thank you for your help.

ASSISTANT: Thank you.