You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi. How can I help you?

USER: My name Alexander Lopez.

ASSISTANT: May I know Your details?

USER: It's from ORD to HOU. The dates of travel are 03/27 to 03/29.

ASSISTANT: Spirit airlines is matching your requirement with 1015 flight number. Can I confirm ?

USER: Please book the ticket.

ASSISTANT: Your ticket w. Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you.