You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to book a ticket from PHL to IAH, can you please help me with that?

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

USER: The travel dates are from 07/04 to 07/06.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a flight with 1 connection limit.

ASSISTANT: Do you have any preferences about class?

USER: I prefer economy class.

ASSISTANT: Please mention your name.

USER: Catherine Thompson here.

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

USER: Please proceed.

ASSISTANT: Your ticket is booked. The flight number is 1022.

USER: Thank you.

ASSISTANT: Welcome, have a great day.