You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to travel from HOU to LAS as a holiday trip.

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates are 07/31 and 08/02.

ASSISTANT: Do you need any specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Thomas Hernandez here.

ASSISTANT: Sorry, there are no flights found on your given name?

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for reaching our service.