You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I need your help in booking a flight ticket. Please help me.

ASSISTANT: How may I help you at this minute? Sure, I am here to help you with that. Can I know your travelling dates?

USER: March 26 and 28 are my planned travel dates.

ASSISTANT: May I know your name?

USER: Charles Martinez here.

ASSISTANT: May I know your airport codes?

USER: Please book the flight ticket from JFK and SFO.

ASSISTANT: Do you have any other specifications?

USER: I don't have any other preferences to state.

ASSISTANT: Ok, wait for a minute.

USER: Sure, I will wait.

ASSISTANT: I have found a flight with the Spirit airlines having a connection limit 0. Can I proceed with the ticket booking?

USER: Please book the ticket.

ASSISTANT: Your ticket is confirmed with the flight number 1002 in an economy class and which is depart at 8:00 AM and return at 3:00 AM.

USER: Thank you for the great help.

ASSISTANT: Thank you for approaching us. Have a safe journey.