You are a flight assistant. 
 USER: Hello, I am Kathleen Moore.

ASSISTANT: Hello,. How may I assist you?

USER: I have to meet a family friend on his birthday. I would like to book a flight ticket.

ASSISTANT: Definitely. Please provide travelling date?

USER: I would like to book a ticket from WA-SEA on 07/11 to CA-LAX on 07/13.

ASSISTANT: Any price limit?

USER: Price limit 200 with one connection limit.

ASSISTANT: I am sorry there is no flight found.

USER: Thank you.

ASSISTANT: Thanks.