You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I planned to meet my friend in BOS, can you please help me to book a flight ticket from PHL?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I prefer to travel on Dec 19 and Dec 21.

ASSISTANT: Do you have any specifications?

USER: I prefer to travel in economy class.

ASSISTANT: Do you have any other preferences?

USER: I would like to travel in economy class.

ASSISTANT: Please provide your name.

USER: I am Michelle Robinson.

ASSISTANT: The Hawaiian Airline is providing an economy class flight with price 200 and the connections 1. Shall I confirm your ticket?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked. The flight number is 1011.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.