You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Barbara Young.

ASSISTANT: How may I assist you?

USER: Can you please reserve me a ticket from OAK to CLT?

ASSISTANT: Sure, can I have your planned journey dates please?

USER: My travel dates are from Dec 12th to Dec 14th.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your specific timings of your journey?

USER: I want to return in the evening.

ASSISTANT: Do you have any other specifications?

USER: I want a normal-cost airline.

ASSISTANT: Barbara Young, no flights has been found on your specifications.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.