You are a flight assistant. 
 USER: Hi, Gregory Brown here.

ASSISTANT: Hello Brown, how may I help you?

USER: I am a journalist, I have a training session in CNN news center, can you please book a ticket from HOU to PHL?

ASSISTANT: Please share your itinerary dates.

USER: My itinerary dates are 04/02 and 04/04.

ASSISTANT: Please hold on for a while.

USER: Ok.

ASSISTANT: Spirit airlines with flight 1018 is available.

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.