You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: Thank you for your response, I want to take off on Nov 13 and book my return ticket also on Nov 15.

ASSISTANT: How many connections do you need?

USER: I will prefer 1 break in between my journey.

ASSISTANT: May I know your name?

USER: Sure, my name is George Harris.

ASSISTANT: Do you need any other requirements?

USER: I want to travel in economy class flight.

ASSISTANT: We regret to inform you that there is no flights going on your way.

USER: Oh! It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for opting us.