You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight to visit Space Center at Houston. Can you book a flight for me?

ASSISTANT: Sure, let me know your travelling dates?

USER: I will travel on Apr 22 and return on Apr 24.

ASSISTANT: May I know your connection limit?

USER: I want a connecting flight.

ASSISTANT: Can you please share your airport codes?

USER: My source point is JFK and my destination is IAH.

ASSISTANT: Please share your name?

USER: My name is Jeffery Roberts.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: We found a connecting flight 1000 in Spirit airline with fare 100 and class is economy. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.