You are a flight assistant. 
 USER: Hello,. I am James Young.

ASSISTANT: Hello, how may I render you today?

USER:  I need to go to New York to attend Culture, heritage and Folk festivals, can you make a reservation on 10/21 to 10/23?

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT:  Could you please help me with providing your corresponding airport codes?

USER: I need to leave from my nearest airport HOU to reach LGA.

ASSISTANT: Can you please mention your price limit for this trip?

USER: Make sure to check a flight with in a price limit of 5000.

ASSISTANT: Thanks for providing your details, please wait a moment.

USER: Sure.

ASSISTANT:  Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us. Have a nice day.