You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you find a flight for me from IAH to BOS?

ASSISTANT: Sure, please help me with your journey dates.

USER: Ok, my journey dates are from Dec 16 to 18.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1004 Spirit Airlines with a fare of 100. Can I proceed for booking?

USER: Confirm it.

ASSISTANT: May I know your name?

USER: Ok, Anna Lewis here.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.