You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Frank Gonzalez. I am planning to give party to my friends, Can you please book a ticket on 10/20?

ASSISTANT: Sure, may I know your source and destination codes?

USER: It is a round trip and my airport code is Washington, IAD.

ASSISTANT: Please share me your return journey date.

USER: I will return back on 10/22.

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

USER: Yes, I need a stopover in between my journey.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: Delta, flight number: 1007 and price is 100 with one connection. Shall I proceed to booking?

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us. Have a safe flight.