You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to spent free time with my parents.Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please help me with your journey details.

USER: The travelling dates are 05/21 to 05/23. The respective airport codes are from NY-LGA to AZ-PHX.

ASSISTANT: Thank you for your information.

USER: Welcome.

ASSISTANT: May I know your name please?

USER: Sure, my name is Janet Davis.

ASSISTANT: Janet, please give me a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, Janet. There is a flight available on your requested dates from Southwest airline with flight number 1004. Shall I proceed to book?

USER: Yes, proceed with my booking.

ASSISTANT: Janet, your ticket has booked. Have a safe journey.

USER: Thank you for your help.

ASSISTANT: Welcome.

USER: I am happy with your service.

ASSISTANT: Thank you for choosing us.