You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am Scott Thompson. I am looking for a flight from LGA to HOU, can you help me out please?

ASSISTANT: Sure, I can help you in booking flight ticket. Can you please mention travel dates for booking flight ticket?

USER: My trip dates are from 06/28 till 06/30.

ASSISTANT: Please hold on a moment, I will check flight availability.

USER: Ok.

ASSISTANT: Sorry for the inconvenience no flights available in this route as per your requested dates.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Thank you for reaching us, have a good day.