You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Robert Gonzalez from Oakland. I want to go to Houston in this month, can you please book a flight ticket for me?

ASSISTANT: Sure, may I know your source and destination airport codes please?

USER: Tank you for accepting my request, I want to fly from OAK and destination airport is HOU.

ASSISTANT: Could you please provide your planned journey dates?

USER: I want to take off from 09/08 and book my return ticket also on 09/10.

ASSISTANT: Please wait a moment, I will check the availability of flights.

USER: Ok, take your time.

ASSISTANT: Thank you for your waiting, I found a flight for you in Spirit airlines with fare 100 and 1 connection. Can I book your ticket?

USER: Please confirm this flight ticket for me.

ASSISTANT: Ok, your booking is confirmed with flight number 1000.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing our service.