You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: Myself Linda Allen. I need to travel Houston, can you please reserve flight ticket from CLT and IAH?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: My travelling dates are Nov,03 and Nov,05.

ASSISTANT: Do you have any specifications regarding timings of your journey?

USER: My depart time should be in the evening.

ASSISTANT: Sorry Linda Allen, no evening flight is available to you on your dates.

USER: That's ok, I will choose any other source to reach my destination.

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