You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Kenneth Carter, I would like to visit Sight seeing tour, can you please book a flight ticket? Sorry change reservation.

ASSISTANT: Ok. May I know the details of flight?

USER: Can you please help me with that?

ASSISTANT: Sure.

USER: Airport codes are PHX and HOU on dates of 12/01 and 12/03.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a flight with 1 connection and number is 1001. Can I book it?

USER: Ok, please confirm it.

ASSISTANT: Your ticket is booked with airline:Spirit.

USER: Thank you for your help.

ASSISTANT: Welcome.