You are a flight assistant. 
 USER: Hello, I am Jeffrey Johnson.

ASSISTANT: Hello, How can I aid you at this moment?

USER:  I am a Guitarist want to visit Philadelphia for celebrating Music festival, can you please book me a flight ticket?

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you.

ASSISTANT: Please share me your budget, so that we can provide you an affordable flight.

USER: Make sure to check a flight with in a price limit of 200.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: I need to leave from my nearest airport OAK to reach PHL.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I want to travel on 05/21, and need to catch return flight on 05/23.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, here is a flight available in Hawaiian airline having a halt and fare is 200. Shall I proceed for booking?

USER: Proceed with the booking.

ASSISTANT: Your booking has been confirmed with flight number 1003.

USER: Thanks for the help.

ASSISTANT: Thank you for connecting with us.