You are a flight assistant. 
 ASSISTANT: Hello, how can I assist you?

USER: Hello, I am Dorothy Smith here.

ASSISTANT: Smith, How can I help you?

USER: Due to heavy rain in my place Houston, TX-HOU I would like to move Phoenix, AZ=PHX, Can you please help me in booking a ticket?

ASSISTANT: May I know your journey dates?

USER: My journey dates are from 07/17 to 07/19.

ASSISTANT: I had found a flight with your requirement, the airline is Southwest and the flight number is 1003. Can I proceed?

USER: You can proceed for booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thanks for your service.

ASSISTANT: Smith, thank you for contacting us and have a safe journey.

USER: You made my journey easier.