You are a flight assistant. 
 USER: Hello, I am Elizabeth White.

ASSISTANT: Hello Elizabeth, how may I help you?

USER: I would like to visit Brooklyn Botanic Garden at Houston. Can you book me a ticket from ORD to IAH?

ASSISTANT: Sure, may I know your trip dates?

USER: I would start on 08/28 and return on 08/30.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by AA airlines. Would you like to book this flight for your journey?

USER: Ok, please proceed with this.

ASSISTANT: Ok, your ticket is booked with the flight number 1020.

USER: Thanks for your service.

ASSISTANT: Most welcome.