You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Linda Young.

ASSISTANT: Yes, Linda.

USER: I am looking for a flight from IAH to DFW, can you please help me in booking a ticket?

ASSISTANT: Please, share your travel dates?

USER: My trip dates are from 09/09 till 09/11.

ASSISTANT: In my search to your request, no flights available in your route.

USER: It's ok, thank you.

ASSISTANT: Sorry for inconvenience.

USER: Ok.

ASSISTANT: Thank you for reaching us.

USER: Welcome.