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

ASSISTANT: Hello, how can I help you?

USER: I need a direct flight to attend an conference in Minutemaid park (Stadium) at Houston, IAH. Can you please help me in booking from Charlotte, CLT?

ASSISTANT: Sure, may I know your dates of travelling?

USER: My journey dates on 10/23 and 10/25.

ASSISTANT: Do you have any price limit?

USER: I can spend only 200 for ticket fare.

ASSISTANT: Thank you for the details, please wait a while.

USER: Sure.

ASSISTANT: Thank you for being waiting. Sorry, I found no flights were available to that location.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us. Have a nice day.