You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Raymond Hill.

ASSISTANT: Yes, Hill.

USER: I have a plan to buy a new house in Houston, can you please help me in booking?

ASSISTANT: Sure, please provide me your travel dates?

USER: My travelling dates are from 09/22 till 09/24.

ASSISTANT: Please provide me your location airport codes? Please wait a moment.

USER: My travelling airport codes are from JFK to HOU.

ASSISTANT: Sorry Hill, no flights available in your route.

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

ASSISTANT: Thank you for reaching us.