You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jacob Scott here.

ASSISTANT: How can I guide you?

USER: I want to book a ticket from Houston-HOU to attend friend's birthday in Phoenix-PHX.

ASSISTANT: Ok. Sure, may I know your journey dates?

USER: My travel dates are 08/15 and return from Phoenix on 08/17.

ASSISTANT: Ok, please give me a minute so that I can check the availability of flights for you.

USER: Sure.

ASSISTANT: I am happy you to inform you that your seat with Spirit  airlines is reserved, flight number is 1027 and I hope that you have great flight experience.

USER: Thanks for your help.

ASSISTANT: I confirmed your ticket successfully.