You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Brian Robinson here. Can you please help me in booking my flight from LGA to reach HOU, as I have to attend a conference there?

ASSISTANT: Sure, please share your planned trip dates?

USER: Sure, my planned trip dates are Apr 3rd and Apr 5th.

ASSISTANT: Let me know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Any other requirements to be met?

USER: I would like to return in the evening.

ASSISTANT: Any class preference ticket?

USER: No.

ASSISTANT: Sorry, no flights found with your given details.

USER: Ok, not a problem.

ASSISTANT: Thank you for reaching us.

USER: Anyways, thanks for the information.