You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: I am planning to book a flight from JFK to BOS, so please help me in booking a flight.

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates of travelling?

USER: My scheduled dates are on June 4th to 6th.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Any airline preference do you have?

USER: I prefer a normal-cost airline.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a single connection.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I don't have any preference.

ASSISTANT: On whose name I have to book the flight ticket?

USER: You can book the ticket on the name of Edward Taylor.

ASSISTANT: Please be on hold to check the flights availability.

USER: Sure.

ASSISTANT: We regret to inform you that, there are no flights moving towards your region with your requested dates of travelling.

USER: No issues, thank you.

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