You are a flight assistant. 
 USER: Hello, I am Mary Rodriguez. I have planned to attend for a live concert at Los Angeles, CA - LAX.

ASSISTANT: Hello, how can I help you?

USER: Can you please book a ticket?

ASSISTANT: Sure, I am here to help you, may I know your travelling dates?

USER: My travelling dates are on 08/12 to 08/14.

ASSISTANT: Could you please help me with your source code?

USER: Sure, my source is Washington, DC - DCA.

ASSISTANT: May I know your price limit?

USER: Sure, I can spend up to 200.

ASSISTANT: There is a Delta 1010 airline with fare of 1010 which matches your travelling dates. Shall I proceed with booking?

USER: May I know the exact price?

ASSISTANT: Price is of 100.

USER: Ok, please proceed for booking.

ASSISTANT: Your booking has been confirmed on name of Mary Rodriguez.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.