You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to travel from HOU to OAK. Can you help me to book a flight ticket?

ASSISTANT: Sure, let me know your trip dates?

USER: I want to travel in the flight on June 09 and June 11.

ASSISTANT: Is there any other specifications?

USER: I want to travel in a connecting flight.

ASSISTANT: May I know your good name?

USER: Jack Lee.

ASSISTANT: We found a connecting flight 1023 in Spirit airline with fare 300 and class is economy. Shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.