You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Donna Evans.

ASSISTANT: How can I help you?

USER: Please help me to book a flight ticket, As I want to visit and interact in the National Gallery of Art, with my clients at New York.

ASSISTANT: Sure, may I know when you want to travel?

USER: I will start my journey on 04/08. I will return on 04/10.

ASSISTANT: Ok, please help me with your airport codes.

USER: My source airport code is Houston, TX - IAH. My destination is NY - JFK.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a flight with a layover.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting. We found a flight with number 1023 and airline Spirit at a price of 200 with 1 connection.

USER: Please, confirm my seat.

ASSISTANT: Sure, your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a nice day.