You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I am Robert Jones. Can you please book me a ticket from DCA to OAK to meet my old friends?

ASSISTANT: Sure, please help me with your journey dates.

USER: I would like to leave between 10/22 and 10/24.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a halt.

ASSISTANT: Robert Jones, we have a flight 1001 in Spirit airline with price 100.

USER: Ok, please book this ticket.

ASSISTANT: Your booking has been done with a connecting flight.

USER: Thank you.

ASSISTANT: Thank you for picking us.