You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. Good evening.

USER: I am Gregory Walker.

ASSISTANT: How can I help you?

USER: Could you please help me in booking a ticket from DC-DCA to TX-AUS.

ASSISTANT: Sure Gregory, can I know your travelling dates?

USER: I am planning to travel from 09/15 to 09/17.

ASSISTANT: Do you have any other additional requirements?

USER: I am looking for a flight with 1 connection and with in 5000.

ASSISTANT: The flight 1016 of Delta airline is perfectly matching with your requirements.

USER: Please confirm my booking.

ASSISTANT: Sure, give me a minute.

USER: Ok,.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.