You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Jacob Perez here.

ASSISTANT: How may I help you out?

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

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: The travel dates are from 09/07 to 09/09.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Sorry, there are no flights found.

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

ASSISTANT: Thank you for reaching us.