You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need your help in booking a flight ticket.

ASSISTANT: Ok. Can I know your travelling dates?

USER: August 30 and September 01 are my planned travel dates.

ASSISTANT: Ok, let me know your source and destination airport codes?

USER: DCA and ORD are my in and out airport codes.

ASSISTANT: On which name should I reserve the flight ticket?

USER: My name is Gary Adams, please book this name.

ASSISTANT: Do you have any other specifications?

USER: I need a break in my journey.

ASSISTANT: We found Delta airline with price 100 and economy class and airline number is 1004 with arrival time is 11 AM and departure time is 18 PM, Shall I proceed for booking?

USER: Please book the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.