You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Janet Martin, I want to book a flight ticket from HOU to LAS.

ASSISTANT: Sure, please share your travelling dates?

USER: My travelling dates are 12/30 and 01/01.

ASSISTANT: Martin, no flights as per your details.

USER: Not a problem, anyway thank you for the information.

ASSISTANT: It's my pleasure, have a nice day.