You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER: Please reserve my ticket with the name of John Gonzalez on 06/17.

ASSISTANT: Sure, May I know the journey codes?

USER: Journey codes are HOU - JFK.

ASSISTANT: Please help me with your return date.

USER: 06/19 is my return date.

ASSISTANT: Sorry, No flights found with your chosen dates. Thank you for availing us.

USER: Thank you.