You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Andrew Baker. I am planning to book a ticket with  0 connection, can you please help me out?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I would like to travel on 06/17 and return 06/19.

ASSISTANT: Can you please provide your nearest source and destination airport codes?

USER: My airport codes are LAS to HOU.

ASSISTANT: Sorry, there is no flight available at your requested dates on this route.

USER: That's fine.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Thank you for your help.