You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: My name is Rebecca Martin, I want to book a flight from Las Vegas to visit Houston for short vacation. Can you help me with booking?

ASSISTANT: Sure, May I know the travelling dates?

USER: I will fly on Oct 1st and return on Oct 3rd.

ASSISTANT: Please help me with your journey codes.

USER: My source point is LAS and my destination is HOU.

ASSISTANT: Please wait a minute.

USER: Sure, please find me a connecting flight.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for availing us.