You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to book a ticket from LGA to IAH?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates will be on Apr 16 to Apr 18.

ASSISTANT: Do you need any class preference?

USER: I would prefer economy class.

ASSISTANT: Do you need any other specifications?

USER: I need a connecting flight.

ASSISTANT: May I know your good name?

USER: Virginia Walker here.

ASSISTANT: We found a flight on Southwest airline, flight number 1025 with the fare of 100.

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.