You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I am Brandon Moore. I need to book a ticket to  meet my friend on 03/15 for collecting money for him. Could you please help me in booking a return ticket on 03/17?

ASSISTANT: Sure, may I know your origin and destination points?

USER: My source and destination is HOU and LAS.

ASSISTANT: Do you have any other preferences?

USER: I need a break in between the journey.

ASSISTANT: We found a direct flight to your destination point.

USER: I need a connecting flight, thank you for your information.

ASSISTANT: Ok, thank you for choosing us.