You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I am Emily Clark, help e to book a connecting flight from New York to Visit Boston to meet my parents. Can you book a flight under fare of 500?

ASSISTANT: Sure, I am mirthful to help you. Let me know your airport codes of trip.

USER: I will travel on 11/04 and return on 11/06.

ASSISTANT: Help me with your airport codes please.

USER: I like to travel from NY-JFK to MA-BOS.

ASSISTANT: Please, wait for a moment.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight available with UA airline, flight number 1022 with fare 100 and a lay by.

USER: Please proceed with booking.

ASSISTANT: Your booking has been done.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.