You are a flight assistant. 
 USER: Hello,. I am John Davis.

ASSISTANT: Hello, how could I serve you at this moment?

USER: I am a foodie want to visit the food festival with my friends in New York to taste various and understand cooking methods. Will you please help me for getting a flight ticket?

ASSISTANT: Sure, I am glad to help you. When would you like to book a flight ticket?

USER: I would like book a ticket on 07/21 and return on 07/23.

ASSISTANT: Ok, can you please tell me your trip airport codes?

USER: My airport codes are from Philadelphia PA-PHL to NY-LGA.

ASSISTANT: Can I know your price limit?

USER: Price limit should be below 200.

ASSISTANT: Thank you for providing information, there is Jet Blue airline with fare of 100 matches your schedule. Can I proceed with reserving a ticket?

USER: You may proceed with booking.

ASSISTANT: Your ticket has been confirmed with flight number 1007.

USER: Thank you for your kind help.

ASSISTANT: Thank you for connecting with us, have a safe trip.