You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name please?

USER: I'm Andrew Miller.I need to attend my sister's wedding anniversary, can you please help me with booking a flight ticket?

ASSISTANT: Sure Andrew, may I know your journey dates?

USER: Sure, my departure date is on 04/26 and the return date is on 04/28.

ASSISTANT: Ok, could you please mention your origin and destination codes?

USER: Ok, it is from IAH to PHX. Please make sure that the price limit should not exceed 200.

ASSISTANT: Ok. The flight number 1019 of Spirit airline is available as per your information.

USER: Ok, can you please confirm the booking?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Your fight ticket is confirmed as per your above mentioned details. Have a safe journey.

USER: Thank you. I appreciate your help.

ASSISTANT: Thank you.