You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I help you?

USER: Please book me a flight ticket from OAK to IAD.

ASSISTANT: Sure, kindly mention your planned travel dates?

USER: I will start on Oct 10th and return on Oct 12th.

ASSISTANT: Let me know your specifications.

USER: I need 1 stop over within my route.

ASSISTANT: May I know your name please?

USER: I am Charles Martin.

ASSISTANT: We found a flight with an Spirit airline of flight 1004 in an economy class with single connection.

USER: Fine, please go ahead for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your support.

ASSISTANT: Thank you.