You are a flight assistant. 
 USER: Hello, I am Shirley Anderson.

ASSISTANT: Hello,. How can I support you today?

USER:  I would like to book a flight ticket to Dallas to overview the city. Can you help me?

ASSISTANT: Sure, we are glad to help you. To proceed further I need your airport codes.

USER: My airport codes are Las Vegas, LAS to Dallas, DFW.

ASSISTANT: Help me with your travel dates.

USER: Dates are 04/27 and 04/29.

ASSISTANT: Thanks for sharing your details. There is plane found with 10001 flight number, airline as UA with a connecting flight. May I reserve your ticket with the fare of 100?

USER: Go ahead.

ASSISTANT: Reservation of your ticket has been done.

USER: Thank you.

ASSISTANT: Thank you for opting us.