You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How may I help you?

USER: Need to book a ticket.

ASSISTANT: May I know your travel details?

USER: Sure. Los Angeles CA-LAX to Washington DC-IAD. from 10/09 to 10/11. Price limit is 5000 with connection 1.

ASSISTANT: wait a moment, I will check and get back to you. Thanks for waiting, No flights found with your requirement.

USER: Thanks for the help.

ASSISTANT: Could you tell me your name?