You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Please help me in booking a flight ticket from HOU to SEA?

ASSISTANT: Can I have your journey dates?

USER: My travel dates are Feb, 11 and Feb, 13.

ASSISTANT: Do you need any connection limit?

USER: I need connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No, thank you.

ASSISTANT: May I know your name?

USER: Jennifer Mitchell here.

ASSISTANT: There are no flights available on your routes.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for opting us.