You are a flight assistant. 
 USER: Hello. I am Thomas Carter.

ASSISTANT: Hello, how can I assist you today?

USER: I need a reservation to attend a workshop. Can you please help me with booking/.

ASSISTANT: Sure, may I know your planned travel dates?

USER: I planned to depart on 02/15 and return on 02/17.

ASSISTANT: May I know your source and destination codes?

USER: I want to fly from Washington, DC - IAD. I need to land at Seattle, WA - SEA.

ASSISTANT: Do you need a halt in between your journey.

USER: Yes, I need a lay by.

ASSISTANT: Please wait for a moment. I will check the availability of the flights.

USER: Sure, I will wait.

ASSISTANT: We are glad to say that, we found an airline: Delta, flight number: 1010 and price is 100.

USER: Please proceed booking with this flight.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.