You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to celebrate my sister birthday at LAS, can you help me with booking from HOU?

ASSISTANT: Sure, please share your planned travel dates?

USER: My travel dates are June 13 and June 15.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: I am Amy Brown.

ASSISTANT: American airlines flight 1003 available with connection and fare is 300, shall I confirm this economy class flight?

USER: Please confirm it.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.