You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Anna Lopez want to visit PHX, can you book a ticket from IAH?

ASSISTANT: Sure, could you please share your travelling dates?

USER: Sure, my travelling dates will be 08/19 and 08/21.

ASSISTANT: Do you have any requirements?

USER: Yes, I need a flight with 1 connection.

ASSISTANT: There is a connecting flight 1019 is available from Spirit airlines, shall I proceed?

USER: Ok, proceed with my booking.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thank you.

ASSISTANT: Welcome.