You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for today?

USER: I am a Stand up comedian and I am planning to participate in a comedy show, could you book a ticket for me?

ASSISTANT: Sure, may I know the airport codes and the travelling dates of your journey?

USER: I am travelling from PHL to IAH on 03/17 and 03/19. My price limit is 200.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight 1025 in Southwest airline has the price 100.Can I proceed?

USER: Please proceed.

ASSISTANT: Ok, may I know your name for booking the ticket?

USER: Samantha Gonzalez here.

ASSISTANT: Samantha, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us, have a safe journey.