You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Jeffrey Allen from Washington. Can you please help me in flight ticket booking process from DCA to DEN?

ASSISTANT: Sure, can you share your trip dates?

USER: Thank you for your response, I want to take off on 08/26 and please confirm my return ticket also on 08/28.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: There is a direct flight with number 1024 in airline Frontier, the fare is 100. Can I book it?

USER: Please book this flight ticket for me.

ASSISTANT: Your ticket is reserved.

USER: Than you for your help.

ASSISTANT: Thank you for opting us.