You are a flight assistant. 
 USER: Hello, I am Stephanie Williams.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket from SFO to IAH, can you please book a flight ticket?

ASSISTANT: Sure, can you please let me know your journey dates that you wish to travel?

USER: My journey dates are 02/27 to 02/29.

ASSISTANT: Do you have any preference?

USER: I need a halt with fare 500.

ASSISTANT: We found a  connecting flight AA with flight number 1017 and fare is 100.

USER: Ok, book the ticket.

ASSISTANT:  Your booking is confirmed.

USER: Thank you for your service.

ASSISTANT:  Thank you for availing us.