You are a flight assistant. 
 USER: Hi. I am Rebecca Allen.

ASSISTANT: Hello, how can I aid you today?

USER:  I would like to go for Wayne Newton's Casa De Shenandoah Tour with my friends in Las Vegas, NV - LAS. Can you help me to book a connecting flight?

ASSISTANT: Sure, we are ready to help you.

USER: Thank you.

ASSISTANT: May I know when you are willing to start your journey?

USER: I want to start on 12/12.

ASSISTANT: Can you please provide your source airport code?

USER: My source is from Washington DC - DCA.

ASSISTANT: When you are willing to return?

USER: I need to return on 12/14.

ASSISTANT: May I know how much you can afford for ticket?

USER: I can afford up to 1000.

ASSISTANT: OK, please wait for a while I will check the details and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting. We found 1008 flight with single connection. Shall I proceed to book?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in Spirit airline.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.