You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to attend business meeting at PHX, can you please help me with booking a flight ticket from OAK?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, I would like to take off on Oct 10 and return on Oct 12.

ASSISTANT: May I know your name please?

USER: My name is Cynthia Martinez.

ASSISTANT: Can I know the connection limit please?

USER: I need a flight with 1 connection.

ASSISTANT: Do you have any requirements?

USER: I prefer economy class.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.