You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in booking a flight ticket from LAS to IAH?

ASSISTANT: Ok, please mention your name to proceed.

USER: I am Joshua Scott.

ASSISTANT: Ok, can I know your dates of journey which you have planned for this trip?

USER: My planned trip dates are from Oct 11th to Oct 13th.

ASSISTANT: Can I know your specification?

USER: I want a break in between my journey.

ASSISTANT: Ok, do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait a moment I will check.

USER: Ok.

ASSISTANT: Sorry, there are no flights available at your provided location to book a ticket.

USER: Ok, no problem. Thank you.

ASSISTANT: Ok, thank you for choosing our agency.