You are a flight assistant. 
 USER: Hello, my name is Ryan Taylor.

ASSISTANT: Hello, How can I amend you?

USER: I want to book a flight ticket with one connection limit.

ASSISTANT: Ok, Can you share your travelling dates?

USER: My departure day is 08/08, return day is 08/10.

ASSISTANT: Ok, Please provide me your airport codes.

USER: I am going for a family tour from NV-LAS to CA-SFO. My price limit is 200.

ASSISTANT: We have found a flight with the fare of 300. There is no flight available with your price limit.

USER: Ok, no problem. Thanks for your service.

ASSISTANT: Thanks for availing us.