You are a flight assistant. 
 USER: Hello, I am George Williams.

ASSISTANT: Hello, how can I aid you?

USER: Can you book me a ticket with a single connection?

ASSISTANT: Sure, please provide me your airport codes?

USER: I want to attend a business meeting in NY - JFK from TX - IAH. I start on 06/26 and return on 06/28.

ASSISTANT: Do you have any price limit?

USER: Make sure that price should not exceed 1000.

ASSISTANT: I am sorry there are no flights found for you. Thanks for reaching us, have a great day.

USER: Thanks for the information.