You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Steven Allen. I am planning to visit Houston, can you please book me a ticket from OAK to IAH?

ASSISTANT: Sure, I will help you. Please share your journey dates.

USER: My preferable journey dates are from 08/25 to 08/27.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your waiting, I found a flight for you in Spirit airlines with price 100. Can I proceed?

USER: That's ok for me. Please reserve my ticket with this flight.

ASSISTANT: Ok, your booking is confirmed with flight number 1002.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.