You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Could you book a ticket for me?

ASSISTANT: How may I help you? Sure, may I know your airport codes?

USER: I want to visit the minnepolis sculpture garden.

ASSISTANT: May I know your travelling dates with airport codes please?

USER: My codes are from HOU to MSP. Travelling dates are from 12/05 to 12/07.

ASSISTANT: Ok, can I know your name?

USER: My name is Andrew Thomas.

ASSISTANT: Yes, I found a flight-1027 with delta airlines, can I proceed?

USER: Make sure that connection limit should be 1 and price within 200.

ASSISTANT: Yes, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.