You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Donna Green, want to travel from LGA to IAH. Please help me.

ASSISTANT: Sure, I am oblige to help you in booking process and can you please let me know your preferable travel dates?

USER: My travel dates are from 05/11 o 05/13. Please check for a direct flight.

ASSISTANT: Please be on hold for a moment to check for the flight based on your details.

USER: Ok.

ASSISTANT: Thank you for your patience, there is no direct flight that is moving toward your region to book a flight ticket on your name.

USER: That's fine, thank you.

ASSISTANT: You are most welcome and thank you for reaching our agency.