You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Frank Nelson. Can you book a direct flight to Las Vegas, LAS to attend my sister's wedding?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your journey dates?

USER: My journey dates are from 03/16 to 03/18.

ASSISTANT: Kindly, mention your fare limit.

USER: I can pay up to 1000.

ASSISTANT: May I know your take off airport code?

USER: I am boarding at Houston, IAH.

ASSISTANT: Thank you for sharing the details, wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time.

USER: Ok.

ASSISTANT: There is a connecting flight available with fare 100 and single connection in Spirit airline.

USER: Ok, Proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1003.

USER: Thank you.

ASSISTANT: Thank you for choosing us.