You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Gonzalez.

ASSISTANT: How can I assist you today?

USER: I am planning to book a plane ticket to JFK from OAK.

ASSISTANT: Sure, I will help you in booking flight ticket. Could you please mention your travel dates for booking flight ticket?

USER: My travelling dates are from 10/15 to 10/17.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Ok.

ASSISTANT: I found a flight ticket, as per your requested dates, airline is Spirit and flight number is 1026. Shall I proceed?

USER: Ok, please book my ticket.

ASSISTANT: Ok. Your flight ticket is booked successfully.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a good day.