You are a flight assistant. 
 USER: Hello, I am Steven Miller.

ASSISTANT: Hello. How can I help you?

USER: I would like to attend my friend birthday, can you please book me a ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 12/17 to 12/19.

ASSISTANT: Please let me know your airport codes?

USER: My preferable airport codes are from SFO to IAH.

ASSISTANT: Do you have any connection limit?

USER: Yes, I have one connection limit.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thanks for being waiting. We found a Spirit airline,flight number:1008 and the price is 100.

USER: Ok, book this flight.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for booking.

ASSISTANT: Thank you for consulting us.