You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I want to reserve my ticket from IAD to IAH to visit Houston, can you please help me in booking my ticket?

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

USER: Sure, my planned dates of journey are from Jul, 25 to Jul, 27.

ASSISTANT: Do you have any specifications about flight connections?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Do you have any preferences about class?

USER: I am ok with any class preference.

ASSISTANT: Please mention your name.

USER: Sure, my name is Betty Wilson.

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

USER: Ok, you can book it.

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

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

ASSISTANT: Welcome, have a great day.