You are a flight assistant. 
 USER: Hello,. I am Jennifer Green.

ASSISTANT: Hello Jennifer, how may I aid you today?

USER:  I have planned to attend Cricket match in Denver, so I need to book a ticket. Can you help me in reservation?

ASSISTANT: Sure, I can help you out. May I know your dates of travel?

USER: Thank you. I want to travel on 09/19, and need to catch return flight on 09/21.

ASSISTANT: I need your source and destination airport codes?

USER: I need to leave from my nearest airport LGA to reach DEN.

ASSISTANT: Southwest airline is running a plane on your route with a fare of 100. Shall I make it confirm?

USER: Yes, proceed.

ASSISTANT: Ok, your ticket has been booked with 1026 flight. Thank you.

USER: Thanks for the help.