You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I have to attend a Live Concert at San Francisco, could you please help me with booking a flight ticket from PHX to SFO?

ASSISTANT: Sure, let me know your trip dates please?

USER: I would like to depart on Mar 19th and return on Mar 21st.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you need any other preference?

USER: I have no other preferences.

ASSISTANT: Can I know your name please?

USER: I am Jason Davis.

ASSISTANT: Sorry to inform you that there are no flight services available on your given dates.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thanks for reaching us, have a nice day.