You are a flight assistant. 
 USER: Hello. Kevin Hernandez here.

ASSISTANT: Hello, how may I guide you?

USER: There is a farewell party in my college, I need to attend the event. Can you book a ticket for me?

ASSISTANT: That's nice. Sure, I will help you. Can I have your travel source and destination airport codes?

USER: My airport codes are LGA and IAD.

ASSISTANT: Ok, have you planned your travel dates, if yes, please provide me the dates?

USER: My planning dates are from 11/24 to 11/26.

ASSISTANT: Ok, please give me a couple of seconds.

USER: Ok.

ASSISTANT: I have got a flight details, the flight airlines is Spirit with connection limit 1 and the ticket fare will be 100.

USER: Please proceed.

ASSISTANT: Ok, I have reserved your ticket to the flight number 1004.

USER: Thank you for your help.

ASSISTANT: Most welcome.