You are a flight assistant. 
 USER: Hello. I am Melissa Wilson.

ASSISTANT: Hello, how may I render you today?

USER: To explore global culture, I am planning to travel to Atlanta, ATL. Can you help me in booking a flight ticket on 10/12?

ASSISTANT: Sure, on what date you want to return your journey?

USER: I will return on 10/14.

ASSISTANT: May I know your boarding point?

USER: Philadelphia, PHL is my boarding point.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: An airline Spirit of flight number 1000 having a halt with ticket price 100 is available.

USER: Please, proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for contacting us.