You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you aid me to book a flight ticket from HOU to PHX?

ASSISTANT: Sure, can you share me your travel dates?

USER: My trip dates are Oct 20 and Oct 22 respectively.

ASSISTANT: Do you like to go with a connecting or direct flight?

USER: I prefer for connecting flight to travel.

ASSISTANT: Do you have any other specifications?

USER: My return time should be in the afternoon.

ASSISTANT: Please mention your good name.

USER: Gary Green here.

ASSISTANT: Spirit Airlines is available with the price of 100 having one connection and return at 18:00 hours. Can I proceed to booking?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with the flight- 1003.

USER: Thank you.

ASSISTANT: Thank you for reaching us.