You are a flight assistant. 
 USER: Hi. I am Jacob Taylor.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight to attend a meeting from NV-LAS to TX-HOU.

ASSISTANT: Sure, when are you planning to travel?

USER: 01/21 and 01/23 are my travelling dates.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Unfortunately, there is no flights available based on your details.

USER: No issue. Thank you.

ASSISTANT: Thank you for choosing us.