You are a flight assistant. 
 USER: Hi, I am William Garcia.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to attend a sports eve in Los Angeles, LAX. So, I need your assistance in booking my flight ticket on 03/04.

ASSISTANT: Sure, please mention your fare limit.

USER: Thank you. 500 is the budget for my ticket.

ASSISTANT: Ok, when do you want to return?

USER: I intend to return on 03/06.

ASSISTANT: Ok, Can you please provide your source?

USER: Las Vegas, LAS is my boarding airport.

ASSISTANT: Ok, please wait for a few seconds.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with two connections.

USER: I need a single connecting flight.

ASSISTANT: Sorry, we did not find any flight with one connection with your given details.

USER: I will choose other airline. Thank you.

ASSISTANT: Ok, Thank you for opting us.