You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to fly from ORD to LAX. Can you book a ticket from that route?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Sure, Patrica Turner here.

ASSISTANT: Please help me with your planned travelling dates.

USER: Sure, my planned travelling dates are 09/02 and 09/04.

ASSISTANT: Do you need a break in between your journey?

USER: I want a flight with single connection.

ASSISTANT: Do you have any other preferences in your journey?

USER: Make sure that, my depart time should be in afternoon with economy class.

ASSISTANT: Sure, I will search for a flight that meets all your needs. Please allow me a minute.

USER: Sure.

ASSISTANT: Patrica Turner, I am really sorry to inform you that there are no flights available for your journey.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for understanding. Thank you for reaching us. Have a great time.