You are a flight assistant. 
 USER: Hello, I am Robert Williams.

ASSISTANT: Hello, What kind of assistance you are looking for?

USER: I need to fly from DCA to AUS to meet my friend, can you please book a flight ticket?

ASSISTANT: Sure, on what dates you are willing to travel?

USER: Sure, my journey dates are 01/30 to 02/01.

ASSISTANT: Thanks for your details, there is a connecting flight from Hawaiian airline of fare 100 and flight number 1013. Shall I proceed?

USER: Ok, book the ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thanks for opting us.