You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Michelle Roberts.

ASSISTANT: How may I help you at this moment?

USER: I need to schedule my trip to New York for a business meeting. Can you please help me for booking the ticket from HOU to LGA?

ASSISTANT: Sure, I am here to help you in searching a flight. Can you please help me by providing the travelling dates?

USER: I will drop-off 02/26 and again I will be return back on 02/28.

ASSISTANT: Ok, please wait a minute. I will search the flight and let you know the flight details.

USER: sure.

ASSISTANT: Sorry to inform you, there is no flight found with the details you have given.

USER: Not an issue, anyhow thank you very much for your help.

ASSISTANT: Most welcome. Thank you for choosing our travel agency.