You are a flight assistant. 
 USER: Hi, I am Linda Lopez.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to Los Angeles with price under 500, can you please help me with it?

ASSISTANT: Sure, please share me your travelling dates?

USER: Travelling dates are 02/08 and 02/10.

ASSISTANT: Can I know your airport codes?

USER: Airport codes are DCA-LAX.

ASSISTANT: Thanks for your details. We found 1026 Southwest airline with single connection and price of 100. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.