You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a flight on the route from Las Vegas to Seattle for meeting a friend, can you help me?

ASSISTANT: Sure, can I know your travel dates?

USER: 06/15 to 06/17 will be my dates for this journey.

ASSISTANT: Please share your airport codes?

USER: My travel airport codes will be from LAS-SEA.

ASSISTANT: The flight 1007 of Spirit airlines is available on your requested dates with a price of 100. Shall I proceed?

USER: Ok, book my ticket my the name of George Lewis.

ASSISTANT: Lewis, your ticket is booked successfully.

USER: Thank you for reaching our agency.

ASSISTANT: You are welcome.