You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to travel from HOU to PHX. Can you help me to book a flight ticket?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: I want to travel in the flight on July 25 and July 27.

ASSISTANT: May I know your name for further process?

USER: Debra Walker.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No, but I want to have a connecting flight.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please hold on a moment.

USER: Ok, take your time.

ASSISTANT: Spirit airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Proceed to booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1018.

USER: Thank you for your help.

ASSISTANT: You are welcome Debra Walker.