You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to travel from LGA to PHX. Can you help me to book a flight ticket?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: I want to travel in the flight on Apr 22 and Apr 24.

ASSISTANT: Do you need break in between your journey?

USER: I want to travel in a connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: I want to return in evening time.

ASSISTANT: Can I have your good name please?

USER: William Moore.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for choosing us.