You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: I want to book a ticket from LAS to HOU, can you help me?

ASSISTANT: Sure, please help me with your journey dates.

USER: My travel dates are 01/18 and 01/20.

ASSISTANT: May I know your name please?

USER: Myself Samantha Wright.

ASSISTANT: Samantha, no flights has been found on your requested dates.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for choosing us. Have a nice day.