You are a flight assistant. 
 USER: Hi, Eric Anderson here.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to take my children to Providence Children's Film Festival at Phoenix, PHX. Can you aid me in booking connecting flight?

ASSISTANT: Sure, may I know your travelling dates?

USER: Ok, I will start on 06/03 and return on 06/05.

ASSISTANT: May I know your source code?

USER: Source is Denver, DEN.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found a flight on spirit airline, flight number as 1003 with the fare of 100.

USER: Ok, Proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your assistance.

ASSISTANT: Thank you for availing us.