You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in reserving a flight from SFO to reach HOU?

ASSISTANT: Sure, can you please share your travel dates?

USER: Thank you, my travelling dates are Feb 4th and Feb 6th.

ASSISTANT: Do you have any specifications?

USER: I prefer a flight with single connection.

ASSISTANT: Ok, please share your name.

USER: I am Gary Rodriguez.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.