You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Donald White.

ASSISTANT: How can I help you White?

USER: Can you check whether any flight is available on 01/16 to LAX?

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT: Do you have any other specifications?

USER: I want a flight with fare 5000. I need 1 connection in my journey.

ASSISTANT: Ok, may I know your return date and source airport please?

USER: My source airport code is DCA and flying date is 01/14.

ASSISTANT: There is no flight available on your desired travel dates.

USER: No issue, I will go with other alternative. Thank you for your time.

ASSISTANT: Thanks for reaching us.