You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I am Eric Hernandez. I want to celebrate my friend birthday at New York, NY - LGA. Can you please help me with book a single connection of flight?

ASSISTANT: Sure, we are here to make your journey comfort. Kindly share your fare limit.

USER: Thank you, my price limit is 5000.

ASSISTANT: May I know your source airport code?

USER: Sure, my source airport code is from Houston, TX - HOU.

ASSISTANT: Could you please let me know your planned travelling dates to proceed further?

USER: I have planned my travelling dates are 04/08 to 04/10.

ASSISTANT: Ok, please wait a moment I will search best flight for you.

USER: OK.

ASSISTANT: Thank you for waiting, unfortunately there are no flights found with your specifications.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for opting us.