You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

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

ASSISTANT: Sure, may I know your trip dates?

USER: I prefer to travel on Jul 28 and Jul 30.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: The economy class with flight number 1003 of United airline is available having fare as 100 and connection as 1, is it ok for you?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 20:00 hours and the arrival time is 3:00 hours.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a great day. Ok, could you please tell us your name?

USER: I am Samantha Lee.

ASSISTANT: Thank you for consulting us.

USER: You are welcome.