You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I be of your assistance?

USER: I am Christine Clark. I want to conduct an event for special children at Seattle. I want a flight with 1 connection. Can you book a ticket with price limit 1000?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are from 09/15 to 09/17.

ASSISTANT: Please provide your journey codes.

USER: My airport codes are from ATL to SEA.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thank you for being patient, but unfortunately there is no flights founds.

USER: ok. Thank you for helping.

ASSISTANT: Thank you for availing us.