You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a flight ticket from OAK to LAX?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: My travel dates are Jan 27 and Jan 29.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Is there any other specifications?

USER: No, thanks for asking.

ASSISTANT: May I know your name?

USER: I am Justin Wright.

ASSISTANT: Sorry, there were no flights with your given details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.