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 LGA to reach IAH?

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

USER: Thank you, my travelling dates are May 14th and May 16th.

ASSISTANT: May I know your connection limit?

USER: I prefer a direct flight for my journey.

ASSISTANT: Do you have any other requirements?

USER: I want to return in the afternoon time.

ASSISTANT: Ok, please share your name.

USER: I am Stephen Jones.

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.