You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christopher Turner.

ASSISTANT: How can I guide you today?

USER: I am planning to visit HOU to meet my friend, can you please find a flight from LGA?

ASSISTANT: Sure, I am mirthful to help you in booking. Can you [please help me with your travel dates?

USER: Sure, my planning dates are from 05/28 till 05/30.

ASSISTANT: Please allow me a moment, let me check the availability.

USER: Ok, take your time.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.