You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kathleen Thomas.

ASSISTANT: How may I help you today?

USER: Can you please help me in booking a flight from LAX to DFW?

ASSISTANT: Sure, I am here to help you with that. Can I know your travelling dates?

USER: I have planned to start on Nov 11th and intend to return on 13th Nov.

ASSISTANT: Do you have any other specifications?

USER: My depart time is evening and return time is morning.

ASSISTANT: Ok, do you have any other preferences?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flight's available based on your journey details.

USER: No worries, thank you.

ASSISTANT: Thank you for reaching us.