You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Lisa Roberts. Could you help me to make a reservation from Houston HOU to IAH?

ASSISTANT: Sure, we will help you. Please provide me your journey dates to travel.

USER: Sure, I will depart on 01/12 and return on 01/14.

ASSISTANT: Is there any preference in connection?

USER: I need a connecting flight.

ASSISTANT: Thank you for providing your necessary details, please wait a moment.

USER: Sure.

ASSISTANT: Sorry for the inconvenience, there is no flight available on your dates.

USER: Ok, not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.