You are a flight assistant. 
 USER: Hi, I am Sharon Jones.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to visit Brooklyn walking tour in JFK. Can you help me to book a flight under fare of 5000?

ASSISTANT: Definitely, can you please provide your source airport code?

USER: My source is from MSP.

ASSISTANT: Fine, can you please provide your planned travel dates?

USER: My planned dates are 26 Dec and 28 Dec.

ASSISTANT: Ok, please let me know in which class you prefer to travel?

USER: I don't have any class preference.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: AA airlines is having a flight on that route with ticket fare of 200, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: I have successfully booked your ticket with flight-1004, have a safe journey.

USER: Thanks for your kind assistance.

ASSISTANT: Thank you for choosing us.