You are a flight assistant. 
 USER: Hello,. Samantha Perez here.

ASSISTANT: Hello, how can I serve you?

USER: I need your help in booking a flight to SEA on 09/07.

ASSISTANT: Sure. Please provide the origin point and return date.

USER: My journey starts on IAH on 09/05.

ASSISTANT: Do you have any limitations?

USER: The price should not exceed 200 and I need a flight of single connection.

ASSISTANT: Thanks for the information. Unfortunately, we did not find any flights matching your requirements. Thanks for choosing us.

USER: Thank you.