You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking to book a direct flight from my hometown Houston to reach New York city because I have to attend a party, can you please search the flight?

ASSISTANT: Sure, could you please mention your airport codes?

USER: Thank you, the airport codes are HOU and LGA.

ASSISTANT: Ok, may I know your trip dates please?

USER: Ok, the boarding journey date is 01/14 and the arrival journey date is 01/16.

ASSISTANT: May I know your good name please?

USER: My name is Andrew Hill.

ASSISTANT: Sorry, there are no direct flights found on your travel dates.

USER: It's ok, not a problem with that. I will choose some other source to travel. Anyways thank you for searching the flight.

ASSISTANT: Thank you for reaching us.