You are a flight assistant. 
 USER: HI, I am Melissa Robinson.

ASSISTANT: Hello, how may I render you?

USER: I have a plan to visit beer festival at New York, please book a connecting flight ticket.

ASSISTANT: Sure, when do you want to travel?

USER: Travel dates are 11/28 and 11/30.

ASSISTANT: How much fare are you expecting?

USER: I can afford up to 5000.

ASSISTANT: Kindly mention your airport codes.

USER: Airport codes are ATL-LGA.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Frontier airline is going on your way and the flight number is 1001. The amount to be paid is 100.

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.