You are a flight assistant. 
 USER: Hello, I am Brenda Gonzalez.

ASSISTANT: Hello, how can I assist you?

USER: Could you assist me to book a plane ticket to CA-LAX with connecting flight?

ASSISTANT: Sure, To proceed further, Can you please share your trip dates?

USER: Sure, I am organizing a Social events on 08/17 and return on 08/19.

ASSISTANT: Ok, please update your source.

USER: My source is DC-IAD.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, No flights were available with your given data.

USER: It was not a problem at all. Thank you for the information.

ASSISTANT: Thank you for approaching us.