You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please?

USER: I am Ashley Roberts.

ASSISTANT: Ashley, how can I help you?

USER: I am planning to visit my brother's birthday part from LAS to IAH. Can you help me out?

ASSISTANT: Sure, I will help you with that. May I know the travelling dates?

USER: I am planning to travel on 11/27 to 11/29.

ASSISTANT: There is a flight 1012 in Spirit airline has the price 100. Can I proceed with this booking?

USER: Please book my ticket.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you.

ASSISTANT: You are welcome.