You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Thomas Mitchell. Can you please book a flight ticket from IAH to LAX?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Sure, I need to travel on dates of 10/24 and 10/26.

ASSISTANT: Sure, I will wait.

USER: Sure, take your time.

ASSISTANT: I found Spirit airline is available on your dates which matches your essentials and it costs you only 200.

USER: That is fine, please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Your welcome.