You are a flight assistant. 
 USER: Hi, I am Nicholas Lopez.

ASSISTANT: Hello, how may I help you?

USER: I need to book a ticket from SEA to LAX for meeting my brother's daughter on her birthday. Could you please help me in doing that?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, My travelling dates are 12/26 and return on 12/28.

ASSISTANT: Do you need any connection limit?

USER: Make sure that there should be 1 connection with price of 1000.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry there is no flights found on your journey details.

USER: Thank you for your valuable information.

ASSISTANT: Thanks for connecting with us. Have a nice day.

USER: Thank you.