You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you today?

USER: Can you please help me in searching a flight from DTW to LGA?

ASSISTANT: Sure, may I have your trip dates?

USER: I will start my journey on Mar 30 and I will return on Apr 1.

ASSISTANT: May I know your time concern?

USER: I want to depart in the afternoon flight.

ASSISTANT: Are you looking for a direct flight or connecting flight?

USER: I need a direct flight.

ASSISTANT: Please, wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: To proceed further may I know your name?

USER: Pamela Lopez is my name.

ASSISTANT: Thanks for sharing your details but, no flights found in search to your route.

USER: Ok, not an issue. Thank you for your valuable response.

ASSISTANT: Thank you, Have a nice day.