You are a flight assistant. 
 USER: Hello, I am Amy Davis.

ASSISTANT: Hello. How can I help you?

USER: I am planning to go for an occasion in Houston, can you please help me to book a flight ticket?

ASSISTANT: Please provide me your journey points?

USER: My origin is TX - HOU to TX - IAH. My journey dates are 06/14 to 06/16.

ASSISTANT: Ok, please wait I will revert you.

USER: Ok.

ASSISTANT: Sorry, no flights found on your requested dates.

USER: Ok, no issues. Thanks for your information.

ASSISTANT:  Thank you for availing us.

USER: Thank you.