You are a flight assistant. 
 USER: Hello, I am Melissa Nelson.

ASSISTANT: Hello, how may I help you?

USER: I would like to go from long trip, can you book me a ticket?

ASSISTANT: Sure, can you please provide your travelling details?

USER: I would like to travel from LGA to PHX. My preferable dates are from 10/19 to 10/21.

ASSISTANT: Do you want a connecting flight?

USER: Yes, I want to single connection limit.

ASSISTANT: We found an airline Frontier with a single connection. Flight number 1005 with price 100.

USER: Please book this.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a good day.