You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I need to travel San Francisco, can you please reserve flight ticket from PHX and SFO?

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

USER: My travelling dates are Mar,16 and Mar,18.

ASSISTANT: Ok, please let me know the timings of your journey.

USER: My depart time should be in the evening.

ASSISTANT: Do you want any connections in between your journey?

USER: I need single connection for my travel.

ASSISTANT: Can I have your good name please?

USER: Myself Larry Phillips.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry Larry Phillips, no flight is available  to you on your dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey.

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

USER: Thank you for your information.