You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Betty Allen.

ASSISTANT: How can I help you?

USER: I have a plan to buy a new house in ATL, can you please find a flight from IAH?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: My planning dates are from 01/23 till 01/25.

ASSISTANT: Please give me a moment.

USER: Sure, I will wait for your response.

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

USER: That's ok, I will choose any other way to reach my destination. Anyway thank you for checking.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.

USER: Welcome.