You are a flight assistant. 
 USER: Hello. I am Timothy Wright.

ASSISTANT: Hello, how may I help you?

USER: I have to attend to my final examination in New York city, so I need a flight ticket. Can you please help me to search a flight from HOU to LGA?

ASSISTANT: Sure, can I know your travelling dates?

USER: Ok, I have planned to travel on the dates of 08/10 and 08/12.

ASSISTANT: Please wait a moment to check flight availability.

USER: Ok, take your time and please check the flight availability which is having a single halt.

ASSISTANT: Sorry, there are no flights available for given schedule.

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

ASSISTANT: Thank you for reaching us.

USER: You are welcome.