You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I have an appointment with my family doctor in EWR. Can you please book a flight from BOS?

ASSISTANT: Sure, please share me your planned journey dates?

USER: I want to depart on Dec 3 and intend to return on Dec 5.

ASSISTANT: Please mention your connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any other requirement?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Nicholas Walker.

ASSISTANT: Thank you for your name, I found a direct flight of airline Spirit. It is ok for you?

USER: Ok, please proceed for booking.

ASSISTANT: Your flight ticket has been booked, flight number is 1002 and class is economy.

USER: Thank you.

ASSISTANT: Thank you for visiting us.