You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Patricia Lopez. Can you please help me with booking a flight ticket from ORD to PHX?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travel dates are Feb 17 and 19.

ASSISTANT: Do you have any specifications?

USER: I would like to return at afternoon.

ASSISTANT: Do you have any preferences about class?

USER: No, I am comfortable with any class.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: Ok, no issues. Thanks for the help.

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