You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Rodriguez.

ASSISTANT:  How can I assist you?

USER: I would like to meet my father at Phoenix, AZ-PHX from Houston, TX-IAH. Can you please help me with booking a flight ticket on 02/12?

ASSISTANT: Sure, may I know your return date?

USER: I intend to return on 02/14.

ASSISTANT: Do you need halt in between your journey?

USER: I need a lay by in between the journey.

ASSISTANT: Sorry to inform you that no flights were available on your requested dates.

USER: No problem, thank you for the information.

ASSISTANT:  Thank you for availing us.