You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Lisa Mitchell.

ASSISTANT: How can I help you?

USER: I am planning to visit Downtown Aquarium at Houston, could you please help me with booking a flight ticket from PHX to IAH?

ASSISTANT: Lisa Mitchell, I am here to help you for this. When you are planning to leave?

USER: I would like to depart on Sept 26th and return on Sept 28th.

ASSISTANT: Do you have any airline preference?

USER: No, thank you for asking.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a connecting flight.

ASSISTANT: As per your data, there is a flight with Spirit Airlines and the ticket fare is 100. Would you like me to make the booking now?

USER: Please confirm the booking.

ASSISTANT: Your ticket is reserved in business class with the flight-1024.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you very much for reaching us.