You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you aid me to book a flight ticket from LAS to IAH?

ASSISTANT: Can I know your travelling dates?

USER: My trip dates are Dec 21 and Dec 23 respectively.

ASSISTANT: Do you have specification?

USER: I prefer for connecting flight.

ASSISTANT: Can I know your name?

USER: Rebecca Clark here.

ASSISTANT: Found ticket with Spirit airlines for price 100 having flight number 1016.

USER: Please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.