You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Ronald Walker here. I need a plane ticket in august month but haven't booked, can you help me in booking a plane ticket?

ASSISTANT: Sure, I can help you with that, can you provide us your travel dates?

USER: I would like to travel from 08/29 to 08/31.

ASSISTANT: Can I know your source and destination airport codes?

USER: Sure. I want to fly from JFK and land in HOU.

ASSISTANT: Please be on hold, I will check for the available flights and come back to you.

USER: Ok.

ASSISTANT: Sorry Walker, there are no flights available to HOU on your provided dates.

USER: That's ok, I plan in other month and reach you again.

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

USER: Thank you so much.