You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Joshua Lopez.

ASSISTANT: How may I help you?

USER: Book me a ticket with fare 200 from Houston to Las Vegas.

ASSISTANT: Sure.

USER: Could you please help me in booking a ticket with single stopover?

ASSISTANT: Ok. Please provide your journey dates?

USER: My travelling dates are 10/06 and return on 10/08.

ASSISTANT: Please mention your travel codes?

USER: My airport codes are HOU and LAS.

ASSISTANT: Ticket is available with airline UA for price 100. Flight connections is 1 with number 1000.

USER: You can proceed with booking.

ASSISTANT: Shall I book ticket? Ticket is booked.

USER: Than you for your service.

ASSISTANT: Thanks.