You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to reserve my ticket from Houston, IAH to LGA. Can you please help me with booking?

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

USER: I want to start my journey on June 25 and return back on June 27.

ASSISTANT: Do you have any preferences about flight connections?

USER: Yes, I am looking for a connecting flight in my journey.

ASSISTANT: Do you have any preferences about class?

USER: No, I am comfortable with any class.

ASSISTANT: Please mention your name.

USER: Sure, myself Sarah Lopez.

ASSISTANT: The Hawaiian airlines providing an economy class flight with price 100 and the connections 1. Shall I confirm your ticket?

USER: That's fine for me, please proceed with that ticket booking.

ASSISTANT: Your ticket is booked. The flight number is 1000.

USER: Thank you for your help in booking my ticket.