You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Gregory Nelson here.

ASSISTANT: Welcome to flight booking agency Nelson. What service that you are seeking from our agency?

USER: I want to travel from Boston to New York for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am glad to assist you with that. Can you please provide your planned departure and return dates of travelling?

USER: My travelling dates are from 11/02 to 11/04.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: My airport codes are from BOS to LGA.

ASSISTANT: Please wait a moment to check the flights availability in your route.

USER: Ok, I will wait.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 300 provided by JetBlue airlines. Shall I proceed with this?

USER: Make sure my price limit is 200.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your required price limit.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for approaching us, hope you have a great day.