You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name?

USER: My name is Janet King.

ASSISTANT: Nice to meet you Janet King. How may I help you?

USER: I want to travel from DC-IAD to CA-LAX for attending a seminar.Can you please help me for booking a ticket?

ASSISTANT: Sure, could you please let me know your travelling dates?

USER: My departure date is 09/11 and return date is 09/13. Make sure my price limit is 1000 and the connections limit is 1.

ASSISTANT: Sorry to inform you, there is no flight available with your provided details.

USER: Ok, thank you for the information.

ASSISTANT: My pleasure.