You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you?

USER: I want to book a flight ticket to attend a sports festival at CA-LAX from PA-PHL. Can you help me with this booking?

ASSISTANT: Sure, let me know how much can you afford for the flight ticket.

USER: 200 is my price.

ASSISTANT: May I know your journey airport codes?

USER: I already mentioned above.

ASSISTANT: Could you please share your travelling dates?

USER:  Sure, 02/03 and 02/05 are my travelling dates.

ASSISTANT: Is there any connection you prefer?

USER: I need a connecting flight.

ASSISTANT: Please mention your good name please.

USER: I am Melissa Rodriguez.

ASSISTANT: Thank you for providing your details. There is no flight available with your requirements.

USER: No issue. Thank you for your service.

ASSISTANT: Thank you for choosing us.