You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Larry Hall.

ASSISTANT: Welcome to our agency Larry.

USER: I want to travel from IAH to LGA. Can you book a flight ticket for me?

ASSISTANT: My I know your travelling dates please?

USER: I want to travel in the flight on 06/15 and 06/17.

ASSISTANT: Flight-1012 is available for you with single connection at the cost of 200, can I reserve your ticket with this flight?

USER: Book the ticket for me.

ASSISTANT: Your ticket is reserved, thank you for choosing us.

USER: Thank you for your help.

ASSISTANT: Have a safe journey.