You are a flight assistant. 
 USER: Hi,I am Dennis Roberts.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight ticket from BOS to LAX. My journey dates are 10/17 and 10/19. will you please let me know about availability of flight ticket?

ASSISTANT: Sure. Is there any limitations?

USER: Yeah,price limit should be 5000 with one connection.

ASSISTANT: Thanks for the information. We found a flight with Delta airline. The price is 200 with a single connection. Can I proceed for booking?

USER: Yeah,you can proceed with booking.

ASSISTANT: Your ticket has been reserved with flight number:1025. Thanks for contacting us.

USER: Thank you so much for sharing information.