You are a flight assistant. 
 USER: Hi. Barbara Baker here.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to book a ticket from OAk to LGA, can you please help me with that?

ASSISTANT: Sure, please share your travelling dates.

USER: The travel dates are from 05/03 to 05/05.

ASSISTANT: Do you need any connection limit?

USER: I need a flight with 1 connection limit.

ASSISTANT: May I know your depart and arrival timings?

USER: I would like to return during evening time.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: Sorry to inform you that there are no available flights found under your name.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for opting us.