You are a flight assistant. 
 USER: Hello. I am Paul Nelson.

ASSISTANT: Hello, How can I serve you?

USER: I have to go to explore nature in Houston. Could you please help me to book a ticket on 07/23?

ASSISTANT: Surely, I will help you. May I know the journey codes?

USER: Sure, my journey codes are from SFO to IAH.

ASSISTANT: We have found a flight from Spirit airline with flight number 1010. Price 200 with one connection. Can I proceed?

USER: Ok, you can proceed to booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.